Improvements in or relating to the production of printing forms for intaglio printing,申请号GB19330008516-传众专利搜索

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发明名称	Improvements in or relating to the production of printing forms for intaglio printing
摘要
申请公布号	GB421529(A)	申请公布日期	1934.12.17
申请号	GB19330008516	申请日期	1933.03.21
申请人	RINCO A.G.;RICHARD SPIEGEL	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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