Improvements relating to focussing devices for objectives, especially of optical projectors for still pictures,申请号GB19500031292-传众专利搜索

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发明名称	Improvements relating to focussing devices for objectives, especially of optical projectors for still pictures
摘要
申请公布号	GB677704(A)	申请公布日期	1952.08.20
申请号	GB19500031292	申请日期	1950.12.22
申请人	AGFA CAMERA WERK MUNCHEN, U.S. ADMINISTRATION	发明人
分类号	G02B7/04	主分类号	G02B7/04
代理机构		代理人
主权项
地址

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