Improvement in or relating to methods of duplicating,申请号GB19550021266-传众专利搜索

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发明名称	Improvement in or relating to methods of duplicating
摘要
申请公布号	GB785768(A)	申请公布日期	1957.11.06
申请号	GB19550021266	申请日期	1955.07.22
申请人	WILHELM RITZERFELD;GERHARD RITZERFELD	发明人
分类号	B41M5/025	主分类号	B41M5/025
代理机构		代理人
主权项
地址

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