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经营范围
发明名称
Improvements in electric resistances and the manufacture thereof
摘要
申请公布号
GB429082(A)
申请公布日期
1935.05.23
申请号
GB19340027404
申请日期
1934.09.24
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01C10/00
主分类号
H01C10/00
代理机构
代理人
主权项
地址
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