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发明名称
Compensating gas regulator attachment
摘要
申请公布号
US1883571(A)
申请公布日期
1932.10.18
申请号
US19270235347
申请日期
1927.11.23
申请人
PITTSBURGH EQUITABLE METER COMPANY
发明人
CLARK EARLE A.
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
主权项
地址
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