ELECTRON DISCHARGE DEVICES,申请号CAD472003-传众专利搜索

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发明名称	ELECTRON DISCHARGE DEVICES
摘要
申请公布号	CA472003(A)	申请公布日期	1951.03.06
申请号	CAD472003	申请日期
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人	WALTER WARWICK MARSH;PETER WELCH
分类号		主分类号
代理机构		代理人
主权项
地址

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