Exposure regulating device for photographic apparatus,申请号GB19570030904-传众专利搜索

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发明名称	Exposure regulating device for photographic apparatus
摘要
申请公布号	GB856557(A)	申请公布日期	1960.12.21
申请号	GB19570030904	申请日期	1957.10.02
申请人	AGFA AKTIENGESELLSCHAFT	发明人
分类号	G03B9/64	主分类号	G03B9/64
代理机构		代理人
主权项
地址

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