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发明名称
Fremgangsmaade til Drift af elektriske Udladningsrør.
摘要
申请公布号
DK41567(C)
申请公布日期
1930.02.03
申请号
DKD41567
申请日期
1928.09.20
申请人
GLOEDELAMPFABRIKANTER N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
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