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经营范围
发明名称
Improvements in and relating to electric measuring instruments
摘要
申请公布号
GB506476(A)
申请公布日期
1939.05.30
申请号
GB19380023738
申请日期
1938.08.11
申请人
THE BRITISH THOMSON HOUSTON COMPANY LIMITED
发明人
分类号
G01R11/36
主分类号
G01R11/36
代理机构
代理人
主权项
地址
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