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经营范围
发明名称
Procédé pour conserver localement dans un filament boudiné la matière de son noyau d'enroulement
摘要
申请公布号
FR1140876(A)
申请公布日期
1957.08.20
申请号
FRD1140876
申请日期
1955.11.10
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01K3/02
主分类号
H01K3/02
代理机构
代理人
主权项
地址
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