APERFEICOAMENTOS EM CADERNOS,申请号BR19780006516-传众专利搜索

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发明名称	APERFEICOAMENTOS EM CADERNOS
摘要
申请公布号	BR7806516(A)	申请公布日期	1980.04.08
申请号	BR19780006516	申请日期	1978.09.27
申请人	YAO W	发明人	YAO W
分类号	B42F3/04;(IPC1-7):B42F3/04	主分类号	B42F3/04
代理机构		代理人
主权项
地址

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