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经营范围
发明名称
Procédé de fabrication d'une résistance électrique.
摘要
申请公布号
CH274072(A)
申请公布日期
1951.03.15
申请号
CHD274072
申请日期
1946.07.27
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
GLOEILAMPENFABRIEKEN N. V. PHILIPS'
分类号
C04B35/053;H01C17/065
主分类号
C04B35/053
代理机构
代理人
主权项
地址
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