Fountain pen presser bar and method of producing the same,申请号US19420441956-传众专利搜索

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发明名称	Fountain pen presser bar and method of producing the same
摘要
申请公布号	US2377444(A)	申请公布日期	1945.06.05
申请号	US19420441956	申请日期	1942.05.06
申请人	DAVID KAHN, INC.	发明人	PARA JOHN WILLIAM;WEISSER KARL
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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