UN DISPOSITIVO DE ESCRIBIR CON PUNTO DE BOLA,申请号ES19780002210-传众专利搜索

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发明名称	UN DISPOSITIVO DE ESCRIBIR CON PUNTO DE BOLA
摘要
申请公布号	ES221078(A1)	申请公布日期	1955.12.16
申请号	ES19780002210	申请日期	1955.04.05
申请人	W. A. SHEAFFER PEN COMPANY	发明人
分类号	(IPC1-7):B43	主分类号	(IPC1-7):B43
代理机构		代理人
主权项
地址

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