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发明名称
Lampe électrique à incandescence à vide
摘要
申请公布号
FR848136(A)
申请公布日期
1939.10.24
申请号
FRD848136
申请日期
1938.12.29
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01K1/20
主分类号
H01K1/20
代理机构
代理人
主权项
地址
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