Improvements in apparatus for the production of photographic prints,申请号GB19500005089-传众专利搜索

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发明名称	Improvements in apparatus for the production of photographic prints
摘要
申请公布号	GB671248(A)	申请公布日期	1952.04.30
申请号	GB19500005089	申请日期	1950.02.28
申请人	HENRIK ADRIAN OLSSON	发明人
分类号	G03B27/30;G03D7/00	主分类号	G03B27/30
代理机构		代理人
主权项
地址

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