Apparatus for making ball point pens,申请号US19520269537-传众专利搜索

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发明名称	Apparatus for making ball point pens
摘要
申请公布号	US2791137(A)	申请公布日期	1957.05.07
申请号	US19520269537	申请日期	1952.02.01
申请人	B-B PEN COMPANY	发明人	JONES GEORGE DOUGLAS
分类号	B43K1/08	主分类号	B43K1/08
代理机构		代理人
主权项
地址

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