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发明名称
Verfahren zum Einbringen von Kalium, Caesium oder Rubidium in eine elektrische Entladungsroehre
摘要
申请公布号
DE559151(C)
申请公布日期
1932.09.16
申请号
DE1926N026473D
申请日期
1926.10.19
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
BOER JAN HENDRIK DE;CLAUSING PIETER
分类号
H01J9/395
主分类号
H01J9/395
代理机构
代理人
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