Glow discharge tube for use for example in recording sound,申请号US19300418920-传众专利搜索

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发明名称	Glow discharge tube for use for example in recording sound
摘要
申请公布号	US2034148(A)	申请公布日期	1936.03.17
申请号	US19300418920	申请日期	1930.01.06
申请人	RADIO CORPORATION OF AMERICA	发明人	MORGAN RAYMOND BAINBRIDGE
分类号	H01J17/50	主分类号	H01J17/50
代理机构		代理人
主权项
地址

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