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发明名称
Elektrische Entladungsröhre mit einer teilweise aus zylindrischen Teilen bestehenden Wand und Verfahren zum Herstellen einer derartigen Entladungsröhre
摘要
申请公布号
AT196977(B)
申请公布日期
1958.04.10
申请号
ATD196977
申请日期
1957.03.16
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
地址
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