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发明名称
Pump barrel
摘要
申请公布号
US1751914(A)
申请公布日期
1930.03.25
申请号
US19280265284
申请日期
1928.03.28
申请人
GREVE EDGAR E
发明人
GREVE EDGAR E.
分类号
F04B53/16
主分类号
F04B53/16
代理机构
代理人
主权项
地址
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