Rexroth PGF Series Internal Gear Pumps
Rexroth Gear Pump：AZPB/ AZPF/ AZPN/ AZPG/ AZPS/ AZPT/ AZPU/ AZPJ/ 1PF2G/ PGF/ PGH/ PGM…
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1. Series Overview
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Continuous Working Pressure: Up to 250 bar
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Intermittent Peak Pressure: Up to 280 bar
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Displacement Range: 1.7 ~ 40.5 cm³/rev
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Ultra-low Noise & Low Pulsation: Internal meshing structure minimizes flow fluctuation and running noise
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Automatic Gap Compensation Design: Maintain high volumetric efficiency under long-term high-pressure operation
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Variable Speed Adaptability: Stable efficiency output under wide speed range conditions
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High Cycle Fatigue Resistance: 2 million+ standard high-pressure load cycle service life
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Lightweight Reinforced Structure: High-strength aluminum alloy housing for rigidity and shock resistance
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Modular Standard Interface: Comply with universal SAE/ISO flange and thread connection standards
2. Model Naming Rules
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Position
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Code
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Meaning
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1-3
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PGF
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Series identifier (Fixed-displacement internal gear pump)
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4
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1/2/3
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Frame size (1=small displacement; 2=medium displacement; 3=large displacement)
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5-7
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2X/3X
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Component series version (2X=standard version; 3X=enhanced heavy-duty version)
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8-11
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002/019/032 etc.
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Displacement code, corresponding to geometric displacement value (cm³/rev)
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12
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R/L
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Rotation direction (R=Clockwise, L=Counterclockwise, viewed from shaft extension end)
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13
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E/A/H
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Drive shaft type (E=cylindrical key shaft, A=taper shaft, H=spline shaft)
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14-15
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01/07
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Port & flange installation specification code
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16-18
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VE4/VP1
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Sealing & configuration type (NBR standard / FKM high-temperature resistant sealing set)
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3. Displacement Specification Table
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Displacement Code
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Displacement Value
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Displacement Code
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Displacement Value
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Displacement Code
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Displacement Value
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001.7
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1.7
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010
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10.0
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025
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25.0
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002.2
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2.2
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013
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13.0
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032
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32.0
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004
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4.0
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016
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16.0
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036
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36.0
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006.3
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6.3
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019
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19.0
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040
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40.5
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4. Main Technical Parameters
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Parameter
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Value
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Remark
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Maximum Continuous Pressure
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250 bar
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Long-term stable rated working pressure
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Maximum Intermittent Pressure
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280 bar
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Short-term peak pressure impact resistance
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Maximum Operating Speed
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3000 rpm
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Stable speed range for full displacement series
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Operating Temperature Range
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-20°C ~ +100°C
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Standard mineral hydraulic oil working condition
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Recommended Oil Viscosity
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10 ~ 300 mm²/s
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Adapt to ISO VG32 / VG46 / VG68 hydraulic oil
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Housing Material
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High-strength Aluminum Alloy
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Lightweight, high rigidity and structural stability
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Gear Material
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High-precision Alloy Steel
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Precision grinding & special surface treatment for low noise operation
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Service Life Standard
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2,000,000+ load cycles
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High fatigue resistance for cyclic working conditions
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Sealing Configuration
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NBR Standard / FKM High-temperature Optional
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Meet conventional and high-temperature working scenarios
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Rotation Direction
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Clockwise / Counterclockwise
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Optional according to system layout requirements
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Interface Standard
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SAE Flange / BSP Thread
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Universal international installation standard
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5. Common Model Examples
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PGF1-2X/001.7LA01VP1 (1.7 cm³/rev, counterclockwise, standard low-flow silent type)
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PGF1-2X/002.2RE01VE4 (2.2 cm³/rev, clockwise, cylindrical shaft, standard sealing)
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PGF1-2X/006.3RA01VE4 (6.3 cm³/rev, clockwise, taper shaft, industrial standard configuration)
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PGF2-2X/010RE01VE4 (10.0 cm³/rev, clockwise, universal industrial type)
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PGF2-2X/019RE01VE4 (19.0 cm³/rev, clockwise, hot-selling medium flow silent pump)
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PGF2-3X/025RE07VE4 (25.0 cm³/rev, clockwise, enhanced heavy-duty version)
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PGF3-3X/032RE07VE4 (32.0 cm³/rev, clockwise, large flow high-efficiency type)
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PGF3-3X/040RE07VE4 (40.5 cm³/rev, clockwise, maximum displacement heavy-duty type)
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PGF3-2X/036LE07VE4 (36.0 cm³/rev, counterclockwise, standard large flow configuration)
6. Application Fields
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High-precision Low-noise Industrial Hydraulic Systems
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High-end CNC Machine Tool & Automation Equipment
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Precision Packaging, Printing & Textile Machinery
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Medical & Environmental Protection Silent Hydraulic Equipment
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Medium and Small Mobile Construction & Agricultural Machinery
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Stable-pressure Hydraulic Station & Auxiliary Power Systems
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Variable Speed Drive Hydraulic Systems requiring high efficiency stability.
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Model
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Rated Pressure
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Peak Pressure
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Displacement Range (ml/r)
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Allowable Speed (r/min)
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Key Features & Applications
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AZPB
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21 MPa
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25 MPa
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1.6 ~ 40
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500 ~ 3600
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General basic model with side inlet & outlet ports. Application: Ordinary machine tools, small hydraulic power units, general-purpose machinery
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AZPF
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25 MPa
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30 MPa
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1.6 ~ 63
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500 ~ 3800
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Best-selling model with dual clearance compensation and low noise. Application: Injection molding machines, forklifts, automated production lines, construction machinery
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AZPN
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20 MPa
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24 MPa
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2.5 ~ 50
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500 ~ 3400
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Cost-effective medium-pressure model with lightweight design. Application: Agricultural machinery, light industrial equipment, low-pressure hydraulic systems
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AZPG
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28 MPa
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33 MPa
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2.0 ~ 40
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600 ~ 3500
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Reinforced high-pressure version with thickened housing and high impact resistance. Application: Heavy-duty machine tools, auxiliary metallurgical equipment, small construction machinery
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AZPS
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21 MPa
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25 MPa
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1.6 ~ 32
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500 ~ 3600
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Low-noise & low-flow pulsation design with special gear profile. Application: Precision machine tools, indoor quiet operating equipment, laboratory hydraulic units
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AZPT
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25 MPa
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30 MPa
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2.5 ~ 50
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500 ~ 3700
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High-temperature resistant seals; operating temperature: -20℃ ~ +100℃. Application: Heat treatment equipment, outdoor machinery working under high temperature
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AZPU
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21 MPa
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25 MPa
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1.6 ~ 40
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500 ~ 3600
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Modular design for combined double/triple pump assembly. Application: Multi-circuit hydraulic systems, multi-function on-board equipment
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AZPJ
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16 MPa
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20 MPa
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0.8 ~ 16
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600 ~ 4000
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Mini low-displacement model with ultra-compact size and high speed capability. Application: Mini hydraulic power units, tooling fixtures, instrumentation equipment
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Process steps：
Customer inquiry: Customers will make inquiries before placing an order to understand product details and communication needs.
Quotation: According to customer needs, provide a formal quotation, including the name, model, quantity, delivery time, payment method, etc. of the goods.
Order confirmation: After the customer confirms the quotation, a formal purchase order will be placed.
Confirm the delivery time: communicate the delivery time with the production department, inform the factory of the order details, and arrange the production plan.
Sign an export contract: After the two parties confirm that it is correct, sign an export contract to establish a trade relationship.
Implement the letter of credit (if applicable): If the payment method of the letter of credit is used, the customer needs to be urged to issue the certificate and review the contents of the letter of credit.
Export stocking: According to the requirements of the contract and the letter of credit, arrange production, purchase raw materials and packaging, and prepare the goods.
Chartering and booking: Contact the freight forwarder to make a booking and arrange the transportation of goods.
Export inspection: Apply to the quality inspection department for export commodity inspection and provide relevant documents.
Apply for a write-off slip: apply for a write-off slip from the foreign exchange management department for subsequent foreign exchange write-off.
Export declaration: Declare exports to the customs and provide documents such as power of attorney for customs declaration, customs declaration form for export goods, commercial invoice, packing list, etc.
