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发明名称
Dispositif comportant un groupe d'au moins deux tubes à décharge dans le gaz montés en série
摘要
申请公布号
FR943956(A)
申请公布日期
1949.03.23
申请号
FRD943956
申请日期
1947.03.25
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H05B41/04;H05B41/08
主分类号
H05B41/04
代理机构
代理人
主权项
地址
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