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发明名称
Tube à décharges électriques à double commande
摘要
申请公布号
FR871592(A)
申请公布日期
1942.04.30
申请号
FRD871592
申请日期
1940.12.21
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J25/10;H01J25/78
主分类号
H01J25/10
代理机构
代理人
主权项
地址
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