A device for facilitating the filling of fountain pens with ink,申请号GB19390033075-传众专利搜索

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发明名称	A device for facilitating the filling of fountain pens with ink
摘要
申请公布号	GB534132(A)	申请公布日期	1941.02.27
申请号	GB19390033075	申请日期	1939.12.29
申请人	RALPH OLIVER BRAY	发明人
分类号	B43L25/02	主分类号	B43L25/02
代理机构		代理人
主权项
地址

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