Closure device for fountain pens,申请号US19300459327-传众专利搜索

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发明名称	Closure device for fountain pens
摘要
申请公布号	US1805347(A)	申请公布日期	1931.05.12
申请号	US19300459327	申请日期	1930.06.05
申请人	EVEREADY PEN COMPANY, INC.	发明人	WEINGART RICHARD
分类号	B43K5/17	主分类号	B43K5/17
代理机构		代理人
主权项
地址

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