Focussing mask for cathode ray tube,申请号US19530343988-传众专利搜索

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发明名称	Focussing mask for cathode ray tube
摘要
申请公布号	US3013178(A)	申请公布日期	1961.12.12
申请号	US19530343988	申请日期	1953.03.23
申请人	FAIRCHILD CAMERA AND INSTRUMENT CORPORATION	发明人	EATON ROLAND D.
分类号	H01J29/81	主分类号	H01J29/81
代理机构		代理人
主权项
地址

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