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经营范围
发明名称
Ionic discharge tube
摘要
申请公布号
US2117794(A)
申请公布日期
1938.05.17
申请号
US19350043428
申请日期
1935.10.03
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
DUINKER DANIEL MARIE;MULDER JOHANNES GIJSBERTUS WILHELM
分类号
H01J17/04
主分类号
H01J17/04
代理机构
代理人
主权项
地址
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