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发明名称
Schaltung einer gasgefüllten, elektrischen Entladungsröhre.
摘要
申请公布号
AT139273(B)
申请公布日期
1934.11.10
申请号
ATD139273
申请日期
1933.08.26
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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