Improvements in and relating to writing pens,申请号GB19570008458-传众专利搜索

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发明名称	Improvements in and relating to writing pens
摘要
申请公布号	GB802315(A)	申请公布日期	1958.10.01
申请号	GB19570008458	申请日期	1957.03.14
申请人	E. S. PERRY LIMITED	发明人	PERRY JAMES STEPHEN
分类号	B43K1/02	主分类号	B43K1/02
代理机构		代理人
主权项
地址

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