A mask assembly for cathode ray tubes,申请号GB19550023348-传众专利搜索

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发明名称	A mask assembly for cathode ray tubes
摘要
申请公布号	GB811936(A)	申请公布日期	1959.04.15
申请号	GB19550023348	申请日期	1955.08.12
申请人	RADIO CORPORATION OF AMERICA	发明人
分类号	H01J29/07	主分类号	H01J29/07
代理机构		代理人
主权项
地址

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