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US4632013A Reciprocating piston fluid powered motor 失效
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Reciprocating piston fluid powered motor
摘要:
A reciprocating piston fluid powered motor having fluid inlet and outlet, wherein reciprocation is controlled by a reciprocable valve spool carrying a manifold communicating with said fluid inlet and outlet and cooperating with a valve slide shiftable on said valve spool to control reciprocation of said valve spool.
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