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发明名称
Pumping apparatus
摘要
申请公布号
US1871128(A)
申请公布日期
1932.08.09
申请号
US19310582399
申请日期
1931.12.21
申请人
PITTSBURGH EQUITABLE METER COMPANY
发明人
PARKER WALTER H.
分类号
F16N13/08
主分类号
F16N13/08
代理机构
代理人
主权项
地址
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