ELECTRON DISCHARGE DEVICE WITH CAESIATED CATHODES,申请号CAD300773-传众专利搜索

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发明名称	ELECTRON DISCHARGE DEVICE WITH CAESIATED CATHODES
摘要
申请公布号	CA300773(A)	申请公布日期	1930.06.03
申请号	CAD300773	申请日期
申请人	THE CANADIAN WESTINGHOUSE COMPANY	发明人	ERNEST A. LEDERER
分类号		主分类号
代理机构		代理人
主权项
地址

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