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发明名称
Improvements in electrical indicating instruments
摘要
申请公布号
GB503282(A)
申请公布日期
1939.04.04
申请号
GB19380011687
申请日期
1938.04.19
申请人
THOMAS WATSON;CYRIL JAMES ENGLISH
发明人
分类号
G01R11/02
主分类号
G01R11/02
代理机构
代理人
主权项
地址
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