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经营范围
发明名称
Montage comportant deux tubes à décharge à paroi en matière isolante
摘要
申请公布号
FR894032(A)
申请公布日期
1944.12.12
申请号
FRD894032
申请日期
1943.04.15
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H03F3/54
主分类号
H03F3/54
代理机构
代理人
主权项
地址
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