Improvements in or relating to ink-ribbon spools for business machines,申请号GB19590019401-传众专利搜索

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发明名称	Improvements in or relating to ink-ribbon spools for business machines
摘要
申请公布号	GB949311(A)	申请公布日期	1964.02.12
申请号	GB19590019401	申请日期	1959.06.05
申请人	WALTER GRAFTON & SON LIMITED	发明人	GRAFTON ERIC ALEXANDER
分类号	B41J33/00	主分类号	B41J33/00
代理机构		代理人
主权项
地址

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