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经营范围
发明名称
Instrument de mesure à fer doux
摘要
申请公布号
FR698798(A)
申请公布日期
1931.02.05
申请号
FRD698798
申请日期
1930.07.09
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
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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