Pen point and method of making the same,申请号US19380191782-传众专利搜索

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发明名称	Pen point and method of making the same
摘要
申请公布号	US2208460(A)	申请公布日期	1940.07.16
申请号	US19380191782	申请日期	1938.02.21
申请人	DAVID KAHN, INC.	发明人	KAHN DAVID;SEYFORTH MACK
分类号	B21D53/76;B43K1/02	主分类号	B21D53/76
代理机构		代理人
主权项
地址

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