Improvements in and relating to retractable ball point pens,申请号GB19560005557-传众专利搜索

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发明名称	Improvements in and relating to retractable ball point pens
摘要
申请公布号	GB779982(A)	申请公布日期	1957.07.24
申请号	GB19560005557	申请日期	1956.02.22
申请人	SCRIPTO, INC.	发明人	FINK JAMES COLMAN
分类号	B43K24/02	主分类号	B43K24/02
代理机构		代理人
主权项
地址

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