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FR1162910A
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Plunger pump
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DE1001111B
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Diaphragm piston pump, especially for pumping liquids from great depths
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DE955028C
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Submersible pump
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US2876370A
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Submersible electric motor
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DE946769C
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Diaphragm-protected piston pump with leakage oil return
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DE957016C
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Diaphragm piston pump especially for pumping fluids from great depths
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DE1000235B
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Electromagnetically driven piston pump, especially for operation under liquids
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DE958717C
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Electric motor driven high pressure piston pump for pumping liquids
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DE1026184B
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Device for generating vibrations around the ship's longitudinal axis
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DE967215C
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Electromagnetically driven diaphragm pump for pumping fluids from boreholes
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DE932593C
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Nacelle containing propellers and motors for propelling ships
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