发明名称 FILTRO PARA UM CIGARRO OU OUTRO ARTIGO PARA FUMAR, ARTIGO PARA FUMAR, E, MÉTODO PARA PRODUÇÃO DE UM FILTRO PARA UM CIGARRO OU OUTRO ARTIGO PARA FUMAR
摘要 <p>A filter for a cigarette comprises a porous fitter rod and a material sheet wrapped around the filter rod and a cellulose acetate thread formed from substantially uncrimped cellulose acetate filaments. The cellulose acetate thread is positioned within the filter rod and extends along the central axis of the filter rod.</p>
申请公布号 BRPI0814050(A2) 申请公布日期 2015.01.06
申请号 BR2008PI14050 申请日期 2008.06.27
申请人 BRITISH AMERICAN TOBACCO ( INVESTMENTS ) LIMITED 发明人 JOHN ROGER SAMPSON;DAVID LEWIS
分类号 A24D3/02 主分类号 A24D3/02
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