OBTURADOR COM COLARES DE ACO PARA FIXACAO E PNEUS TUBULARES PARA VEDACAO,申请号BR1989PI03814-传众专利搜索

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发明名称	OBTURADOR COM COLARES DE ACO PARA FIXACAO E PNEUS TUBULARES PARA VEDACAO
摘要
申请公布号	BR8903814(A)	申请公布日期	1991.02.05
申请号	BR1989PI03814	申请日期	1989.07.31
申请人	MARCILIO BORGES BRANDAO	发明人	MARCILIO BORGES BRANDAO
分类号	E21B21/00;(IPC1-7):E21B21/00	主分类号	E21B21/00
代理机构		代理人
主权项
地址

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