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发明名称
Tube à décharge
摘要
申请公布号
FR952563(A)
申请公布日期
1949.11.21
申请号
FRD952563
申请日期
1947.08.28
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J5/02;H01J21/20
主分类号
H01J5/02
代理机构
代理人
主权项
地址
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