ELECTRON DISCHARGE TUBE,申请号CAD450170-传众专利搜索

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发明名称	ELECTRON DISCHARGE TUBE
摘要
申请公布号	CA450170(A)	申请公布日期	1948.07.27
申请号	CAD450170	申请日期
申请人	STANDARD TELEPHONE AND CABLES LIMITED	发明人	JOHN FOSTER
分类号		主分类号
代理机构		代理人
主权项
地址

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