Fountain pen,申请号US19460657509-传众专利搜索

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发明名称	Fountain pen
摘要
申请公布号	US2581740(A)	申请公布日期	1952.01.08
申请号	US19460657509	申请日期	1946.03.27
申请人	WING RUSSELL T	发明人	WING RUSSELL T.
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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