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经营范围
发明名称
Gasgefuellte Roentgenroehre mit Gluehkathode
摘要
申请公布号
DE568306(C)
申请公布日期
1933.01.17
申请号
DE192400N2737D
申请日期
1924.01.09
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
BOUWERS DR. ALBERT;DR. WILLEM HENDRIK VAN DE SANDE BAKHUYZEN
分类号
H01J35/20
主分类号
H01J35/20
代理机构
代理人
主权项
地址
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