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经营范围
发明名称
Improvements in and relating to electrical indicating instruments
摘要
申请公布号
GB548447(A)
申请公布日期
1942.10.09
申请号
GB19410009172
申请日期
1941.07.21
申请人
SIMMONDS DEVELOPMENT CORPORATION LIMITED
发明人
分类号
G01R5/16
主分类号
G01R5/16
代理机构
代理人
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