ELECTRON DISCHARGE TUBES,申请号CAD471081-传众专利搜索

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发明名称	ELECTRON DISCHARGE TUBES
摘要
申请公布号	CA471081(A)	申请公布日期	1951.01.23
申请号	CAD471081	申请日期
申请人	SYLVANIA ELECTRIC PRODUCTS	发明人	PAUL HAAS
分类号		主分类号
代理机构		代理人
主权项
地址

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