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经营范围
发明名称
Tube à décharges électriques destiné à la protection contre les surtensions
摘要
申请公布号
FR789175(A)
申请公布日期
1935.10.24
申请号
FRD789175
申请日期
1935.04.20
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01T4/12
主分类号
H01T4/12
代理机构
代理人
主权项
地址
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