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经营范围
发明名称
Procédé de fabrication de tubes à rayons cathodiques
摘要
申请公布号
FR838948(A)
申请公布日期
1939.03.20
申请号
FRD838948
申请日期
1938.06.07
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J29/28
主分类号
H01J29/28
代理机构
代理人
主权项
地址
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