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发明名称
Meter testing device
摘要
申请公布号
US1942063(A)
申请公布日期
1934.01.02
申请号
US19310543415
申请日期
1931.06.10
申请人
GENERAL ELECTRIC COMPANY
发明人
KINNARD ISAAC F.
分类号
G01R1/20;H01R13/633
主分类号
G01R1/20
代理机构
代理人
主权项
地址
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