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经营范围
发明名称
Improvements in and relating to electrical measuring instruments
摘要
申请公布号
GB522276(A)
申请公布日期
1940.06.13
申请号
GB19380035387
申请日期
1938.12.05
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;HENRY COBDEN TURNER;GEORGE MAURICE TOMLIN
发明人
分类号
G01R15/18;G01R19/22
主分类号
G01R15/18
代理机构
代理人
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地址
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