Improvements in or relating to a photographic method of and apparatus for producingautotype originals for intaglio printing,申请号GB19550028702-传众专利搜索

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发明名称	Improvements in or relating to a photographic method of and apparatus for producingautotype originals for intaglio printing
摘要
申请公布号	GB773484(A)	申请公布日期	1957.04.24
申请号	GB19550028702	申请日期	1955.10.07
申请人	GEORG WILHELM METTENHEIMER	发明人
分类号	G03F5/20	主分类号	G03F5/20
代理机构		代理人
主权项
地址

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