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发明名称
Gasgefüllte elektrische Glühlampe.
摘要
申请公布号
AT159637(B)
申请公布日期
1940.10.10
申请号
ATD159637
申请日期
1934.09.20
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
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