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经营范围
发明名称
Tubes cathodiques et dispositifs équipés avec de tels tubes
摘要
申请公布号
FR1182727(A)
申请公布日期
1959.06.29
申请号
FRD1182727
申请日期
1957.09.13
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J29/46;H01J31/08;H01J31/20
主分类号
H01J29/46
代理机构
代理人
主权项
地址
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