Light filter for black and white and color television receivers,申请号US19500164539-传众专利搜索

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发明名称	Light filter for black and white and color television receivers
摘要
申请公布号	US2567713(A)	申请公布日期	1951.09.11
申请号	US19500164539	申请日期	1950.05.26
申请人	SIGHTMASTER CORP.	发明人	KAPLAN MICHAEL L.
分类号	C03C17/09;G02B5/20;H01J29/89	主分类号	C03C17/09
代理机构		代理人
主权项
地址

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