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发明名称
Reciprocating pump piston and assembly
摘要
申请公布号
US2473064(A)
申请公布日期
1949.06.14
申请号
US19450617733
申请日期
1945.09.21
申请人
LEMAN ARTHUR L
发明人
LEMAN ARTHUR L.
分类号
F04B53/14;F16J1/00
主分类号
F04B53/14
代理机构
代理人
主权项
地址
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