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发明名称
Demand limit device for fluid meters
摘要
申请公布号
US1814657(A)
申请公布日期
1931.07.14
申请号
US19230632642
申请日期
1923.04.17
申请人
PITTSBURGH EQUITABLE METER COMPANY
发明人
ARMSTRONG JAMES R.
分类号
G01F15/00
主分类号
G01F15/00
代理机构
代理人
主权项
地址
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