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发明名称
Improvements in and relating to electrical instruments
摘要
申请公布号
GB332469(A)
申请公布日期
1930.07.24
申请号
GB19290029757
申请日期
1929.10.01
申请人
CAMBRIDGE INSTRUMENT COMPANY, LIMITED;CECIL CHARLES MASON;ERIC BEECROFT MOSS
发明人
分类号
G01R13/04
主分类号
G01R13/04
代理机构
代理人
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