Improvements in and relating to processes and apparatus for making matrices and for printing multi-coloured pictures,申请号GB19380028143-传众专利搜索

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发明名称	Improvements in and relating to processes and apparatus for making matrices and for printing multi-coloured pictures
摘要
申请公布号	GB519831(A)	申请公布日期	1940.04.08
申请号	GB19380028143	申请日期	1938.09.27
申请人	EMILIO RONCAROLO	发明人
分类号	G03C7/22	主分类号	G03C7/22
代理机构		代理人
主权项
地址

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