DOUBLE ENDED BALL POINT PEN,申请号CAD785009-传众专利搜索

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发明名称	DOUBLE ENDED BALL POINT PEN
摘要
申请公布号	CA785009(A)	申请公布日期	1968.05.14
申请号	CAD785009	申请日期
申请人	NATHAN PORITZ	发明人	NATHAN PORITZ
分类号		主分类号
代理机构		代理人
主权项
地址

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