Electric glow discharge tube,申请号GB19310015446-传众专利搜索

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发明名称	Electric glow discharge tube
摘要
申请公布号	GB387337(A)	申请公布日期	1933.01.26
申请号	GB19310015446	申请日期	1931.05.26
申请人	LEONARD HALLY ROOS	发明人
分类号	G11B7/00;H01J17/40	主分类号	G11B7/00
代理机构		代理人
主权项
地址

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