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发明名称
Elektrische Entladungsroehre mit Metalldampffuellung, insbesondere zum Aussenden von Lichtstrahlen
摘要
申请公布号
DE597745(C)
申请公布日期
1934.05.30
申请号
DE1933N034758D
申请日期
1933.01.17
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
BOL CORNELIS
分类号
H01J61/04
主分类号
H01J61/04
代理机构
代理人
主权项
地址
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