Improvements in or relating to methods and means for duplicating,申请号GB19530021700-传众专利搜索

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发明名称	Improvements in or relating to methods and means for duplicating
摘要
申请公布号	GB756949(A)	申请公布日期	1956.09.12
申请号	GB19530021700	申请日期	1953.08.06
申请人	WILHELM RITZERFELD;GERHARD RITZERFELD	发明人
分类号	B41C1/10;B41L19/00	主分类号	B41C1/10
代理机构		代理人
主权项
地址

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