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经营范围
发明名称
Mit einer Kohlenstoffschicht versehener Metallkörper.
摘要
申请公布号
CH195759(A)
申请公布日期
1938.02.15
申请号
CHD195759
申请日期
1937.02.08
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
主分类号
代理机构
代理人
主权项
地址
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