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发明名称
Pumping device
摘要
申请公布号
US2111591(A)
申请公布日期
1938.03.22
申请号
US19360064239
申请日期
1936.02.17
申请人
REPUBLIC SUPPLY COMPANY
发明人
HUMPHREY GEORGE T.
分类号
F04B47/02
主分类号
F04B47/02
代理机构
代理人
主权项
地址
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