Improvements in the mass printing of wash off reliefs,申请号GB19470018911-传众专利搜索

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发明名称	Improvements in the mass printing of wash off reliefs
摘要
申请公布号	GB645006(A)	申请公布日期	1950.10.25
申请号	GB19470018911	申请日期	1947.07.16
申请人	GEORGE WILLIAM HERBERT GREEN;ALFA PHOTOGRAPHIC LABORATORIES LIMITED	发明人
分类号	G03F9/00	主分类号	G03F9/00
代理机构		代理人
主权项
地址

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