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经营范围
发明名称
Improvements in and relating to milliampere and/or voltage meters
摘要
申请公布号
GB337881(A)
申请公布日期
1930.11.13
申请号
GB19290026811
申请日期
1929.09.04
申请人
THE PROVINCIAL INCANDESCENT FITTINGS COMPANY LIMITED;JOSEPH WEBBER
发明人
分类号
G01R5/14
主分类号
G01R5/14
代理机构
代理人
主权项
地址
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