A photographic enlarger masking frame,申请号GB19570030225-传众专利搜索

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发明名称	A photographic enlarger masking frame
摘要
申请公布号	GB847402(A)	申请公布日期	1960.09.07
申请号	GB19570030225	申请日期	1957.09.26
申请人	AGFA AKTIENGESELLSCHAFT	发明人
分类号	G03B27/58	主分类号	G03B27/58
代理机构		代理人
主权项
地址

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