Gaseous discharge device,申请号US19350010239-传众专利搜索

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发明名称	Gaseous discharge device
摘要
申请公布号	US2099111(A)	申请公布日期	1937.11.16
申请号	US19350010239	申请日期	1935.03.09
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	HEFELE JOHN R.
分类号	H01J61/64	主分类号	H01J61/64
代理机构		代理人
主权项
地址

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