发明名称 ARTIGO PARA TRATAMENTO DE SUPERFICIE E PROCESSO PARA SUA FABRICACAO
摘要 Abrasive and polishing belts 10 and discs 17 suitable for offhand and automated article finishing comprising a lofty, nonwoven abrasive web 11 optionally needled to a woven fabric 12 and a polymeric layer 14 coated on the woven fabric 12 opposite the nonwoven layer 11 or if no woven fabric 12, coated on the nonwoven layer 11. <IMAGE>
申请公布号 BR9101203(A) 申请公布日期 1991.11.05
申请号 BR19919101203 申请日期 1991.03.26
申请人 MINNESOTA MINING AND MANUFACTURING COMPANY 发明人 JEFFREY L. BERGER;GARY M. FARISS
分类号 B32B5/02;B24D3/28;B24D11/00;B32B27/04;B32B27/12;D04H13/00 主分类号 B32B5/02
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