Cold emission electron discharge device,申请号US19630264859-传众专利搜索

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发明名称	Cold emission electron discharge device
摘要
申请公布号	US3308330(A)	申请公布日期	1967.03.07
申请号	US19630264859	申请日期	1963.03.13
申请人	DANIEL CHARLES	发明人	CHARLES DANIEL
分类号	H01J1/304;H01J21/02	主分类号	H01J1/304
代理机构		代理人
主权项
地址

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