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发明名称
Calibration mechanism for reciprocating piston meters
摘要
申请公布号
US2011157(A)
申请公布日期
1935.08.13
申请号
US19300491586
申请日期
1930.10.27
申请人
PITTSBURGH EQUITABLE METER COMPANY
发明人
PARKER WALTER H.
分类号
G01F3/18
主分类号
G01F3/18
代理机构
代理人
主权项
地址
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