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发明名称
Pump valve structure
摘要
申请公布号
US3030978(A)
申请公布日期
1962.04.24
申请号
US19580757587
申请日期
1958.08.27
申请人
FMC CORPORATION
发明人
GRIFFITH CLIFFORD J.;CARR JAMES P.
分类号
F04B1/02;F04B53/00;F04B53/10;F04B53/14;F04B53/16
主分类号
F04B1/02
代理机构
代理人
主权项
地址
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