Light transmission screen and method of manufacture,申请号US19480040666-传众专利搜索

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发明名称	Light transmission screen and method of manufacture
摘要
申请公布号	US2558243(A)	申请公布日期	1951.06.26
申请号	US19480040666	申请日期	1948.07.26
申请人	WARNER BROTHERS PICTURES, INC.	发明人	GIBBONS JAMES A.
分类号	G02B5/20	主分类号	G02B5/20
代理机构		代理人
主权项
地址

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