Exposure control for photographic apparatus,申请号US19340744270-传众专利搜索

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发明名称	Exposure control for photographic apparatus
摘要
申请公布号	US2059032(A)	申请公布日期	1936.10.27
申请号	US19340744270	申请日期	1934.09.15
申请人	ODON RISZDORFER	发明人	RISZDORFER ODON
分类号	G03B7/085	主分类号	G03B7/085
代理机构		代理人
主权项
地址

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