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发明名称
Pumping apparatus
摘要
申请公布号
US1885820(A)
申请公布日期
1932.11.01
申请号
US19290378763
申请日期
1929.07.16
申请人
GOTHARD THOMAS J;RICHARD WUNN
发明人
GOTHARD THOMAS J.;WUNN RICHARD
分类号
F04B47/04
主分类号
F04B47/04
代理机构
代理人
主权项
地址
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