US3436916A
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Hydraulic couplings
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GB744571A
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Filling and emptying fluid control means for rotary hydraulic couplings
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GB744568A
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Improvements in or relating to rotary toroidal-chamber-type hydraulic couplings
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GB738682A
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Fluid transfer device for rotary pump and turbine fluid couplings
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GB681538A
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Improvements in fluid circulation controls for rotary hydraulic couplings
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GB698754A
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Improvements in fluid circulation controls for fluid couplings
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GB675829A
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Improvements in fluid circulation controls for fluid couplings
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GB631607A
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Improvements in and relating to liquid clutches
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US2154146A
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Electric motor, dynamo, and the like
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CA387815A
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Electric motor or dynamo
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