Ultraviolet filter for cathode-ray tubes,申请号US19500148567-传众专利搜索

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发明名称	Ultraviolet filter for cathode-ray tubes
摘要
申请公布号	US2690554(A)	申请公布日期	1954.09.28
申请号	US19500148567	申请日期	1950.03.09
申请人	AMERICAN OPTICAL COMPANY	发明人	WOLF ERNST
分类号	G02B5/22;H01J29/89	主分类号	G02B5/22
代理机构		代理人
主权项
地址

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