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发明名称
Pump
摘要
申请公布号
US2277991(A)
申请公布日期
1942.03.31
申请号
US19390296632
申请日期
1939.09.26
申请人
LEONARD JOHN T
发明人
LEONARD JOHN T.
分类号
F04B1/113;F04B49/12;F04B53/10
主分类号
F04B1/113
代理机构
代理人
主权项
地址
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