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发明名称
Pump assembly
摘要
申请公布号
US2299492(A)
申请公布日期
1942.10.20
申请号
US19410395768
申请日期
1941.05.29
申请人
BLACKHAWK MFG. CO.
发明人
PFAUSER EDWARD M.
分类号
F04B9/14
主分类号
F04B9/14
代理机构
代理人
主权项
地址
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