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Figure 1: External gear pump Figure 2: Internal gear pump Figure 3: Vane pump Figure 4: Volute centrifugal pump Figure 5: Axial flow centrifugal pump Figure 6: Air, or gas, lift pump torque converter
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Photos

Figure 1: External gear pump
Figure 2: Internal gear pump
Figure 3: Vane pump
Figure 4: Volute centrifugal pump
Figure 5: Axial flow centrifugal pump
Figure 6: Air, or gas, lift pump
torque converter
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