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经营范围
发明名称
Gasgefüllte elektrische Entladungsröhre.
摘要
申请公布号
AT135172(B)
申请公布日期
1933.10.25
申请号
ATD135172
申请日期
1932.08.09
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H01J61/70
主分类号
H01J61/70
代理机构
代理人
主权项
地址
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