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发明名称
Piston
摘要
申请公布号
US2522229(A)
申请公布日期
1950.09.12
申请号
US19450610701
申请日期
1945.08.14
申请人
JESSUP SELLERS E
发明人
JESSUP SELLERS E.
分类号
F16F9/36;F16J9/20
主分类号
F16F9/36
代理机构
代理人
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