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发明名称
Redresseur rempli de gaz
摘要
申请公布号
FR38120(E)
申请公布日期
1931.03.19
申请号
FRD38120
申请日期
1930.03.06
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J17/04
主分类号
H01J17/04
代理机构
代理人
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