Motion picture screen,申请号US19310527018-传众专利搜索

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发明名称	Motion picture screen
摘要
申请公布号	US1860323(A)	申请公布日期	1932.05.24
申请号	US19310527018	申请日期	1931.04.01
申请人	GENERAL TALKING PICTURES CORPORATION	发明人	EBELING CHARLES W.
分类号	G03B21/58	主分类号	G03B21/58
代理机构		代理人
主权项
地址

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