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发明名称
Entladungsröhre mit Quecksilberkathode mit teilweise in das Kathodenquecksilber eintauchendem Verankerungskörper und einem Schutzring für die Kathode.
摘要
申请公布号
AT155569(B)
申请公布日期
1939.02.10
申请号
ATD155569
申请日期
1937.07.28
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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地址
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