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发明名称
Tube à décharges électriques
摘要
申请公布号
FR841800(A)
申请公布日期
1939.05.26
申请号
FRD841800
申请日期
1938.08.06
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J1/32
主分类号
H01J1/32
代理机构
代理人
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地址
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