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DE1528649A1
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A centrifugal pump, particularly a hot water pump
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Liquid level sensing device
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Rotary face seal assembly with a spring locked shaft pin
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Hose couplings, hose connections, etc., particularly for submersible pumps
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Viscosity pump for cooling face seals
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Centrifugal pump, particularly a hot water pump
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Universal joint for screw pumps
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Universal joint and sealing means in screw pumps
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Live fish storage and transport device
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Hydraulic balancing device in screw pumps
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Centrifugal pumps with slip-coupling
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Universal joint arrangement and sealing device for screw pumps
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Pump device
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Improvements relating to pump impellers
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Impeller, particularly with one or more channels
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Screw pump with screw threads in the stator and rotor
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Screw pump
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Centrifugal pump unit
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Twin pump device
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