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发明名称
Improvements in and relating to pumping apparatus
摘要
申请公布号
GB524961(A)
申请公布日期
1940.08.19
申请号
GB19390004570
申请日期
1939.02.11
申请人
GILBERT GILKES & GORDON LIMITED;ERIC CREWDSON
发明人
分类号
F04B7/00;F04B53/00;F04F7/00
主分类号
F04B7/00
代理机构
代理人
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地址
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