Improvements in and relating to sac self-filling fountain pens,申请号GB19470003842-传众专利搜索

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发明名称	Improvements in and relating to sac self-filling fountain pens
摘要
申请公布号	GB621241(A)	申请公布日期	1949.04.06
申请号	GB19470003842	申请日期	1947.02.10
申请人	THE LANG PEN COMPANY LIMITED;ANDREW STUART HORN	发明人
分类号	B43K5/04	主分类号	B43K5/04
代理机构		代理人
主权项
地址

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