Improvements in or relating to fountain pens,申请号GB19360020164-传众专利搜索

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发明名称	Improvements in or relating to fountain pens
摘要
申请公布号	GB478651(A)	申请公布日期	1938.01.21
申请号	GB19360020164	申请日期	1936.07.21
申请人	MENTMORE MANUFACTURING CO. LIMITED;WILLIAM FREDERICK JOHNSON	发明人
分类号	B43K5/18	主分类号	B43K5/18
代理机构		代理人
主权项
地址

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