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发明名称
Pressure compensating register for gas meters
摘要
申请公布号
US2117341(A)
申请公布日期
1938.05.17
申请号
US19340733522
申请日期
1934.07.02
申请人
PITTSBURGH EQUITABLE METER COMPANY
发明人
MACLEAN ALLEN D.
分类号
G01F15/04
主分类号
G01F15/04
代理机构
代理人
主权项
地址
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