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发明名称
Hochdruckmetalldampfentladungsröhre.
摘要
申请公布号
AT155418(B)
申请公布日期
1939.01.10
申请号
ATD155418
申请日期
1937.08.31
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
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