Improvements in or relating to photographic contact printing apparatus,申请号GB19500030470-传众专利搜索

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发明名称	Improvements in or relating to photographic contact printing apparatus
摘要
申请公布号	GB709009(A)	申请公布日期	1954.05.12
申请号	GB19500030470	申请日期	1950.12.13
申请人	ROLAND STASSE	发明人
分类号	G03C5/02	主分类号	G03C5/02
代理机构		代理人
主权项
地址

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