Improvements in or relating to magnetic focusing devices for cathode ray tubes,申请号GB19540008901-传众专利搜索

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发明名称	Improvements in or relating to magnetic focusing devices for cathode ray tubes
摘要
申请公布号	GB780852(A)	申请公布日期	1957.08.07
申请号	GB19540008901	申请日期	1954.03.26
申请人	THE PLESSEY COMPANY LIMITED	发明人	JONES VICTOR ANGELL;BENFORD JAMES EDWARD RICHARD;BARKER PETER
分类号	H01J29/68	主分类号	H01J29/68
代理机构		代理人
主权项
地址

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