Demountable electron discharge tube,申请号US19410405730-传众专利搜索

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发明名称	Demountable electron discharge tube
摘要
申请公布号	US2298950(A)	申请公布日期	1942.10.13
申请号	US19410405730	申请日期	1941.08.07
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	LITTON CHARLES V.
分类号	H01J5/30	主分类号	H01J5/30
代理机构		代理人
主权项
地址

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