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发明名称
Tube à décharges électriques
摘要
申请公布号
FR682098(A)
申请公布日期
1930.05.22
申请号
FRD682098
申请日期
1929.09.20
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
B62D43/00;H01J1/20
主分类号
B62D43/00
代理机构
代理人
主权项
地址
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