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发明名称
Pump
摘要
申请公布号
US1998083(A)
申请公布日期
1935.04.16
申请号
US19330697683
申请日期
1933.11.11
申请人
BENJAMIN GROB;THEODORE GROB
发明人
GROB BENJAMIN;GROB THEODORE
分类号
F04B7/04;F04B27/04;F04B39/00
主分类号
F04B7/04
代理机构
代理人
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地址
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