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发明名称
Dispositif équipé d'un tube à décharge et tube à décharge approprié à ce dispositif
摘要
申请公布号
FR927621(A)
申请公布日期
1947.11.04
申请号
FRD927621
申请日期
1946.06.03
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J19/00
主分类号
H01J19/00
代理机构
代理人
主权项
地址
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