发明名称 TOBACCO SMOKE FILTER
摘要 A tobacco smoke filter or filter element comprising a cylindrical plug of a substantially homogeneous filtering material of circumference between 14.0 and 23.2 mm, wherein the substantially homogeneous filtering material comprises a plurality of randomly oriented staple fibres.
申请公布号 CA2712794(A1) 申请公布日期 2009.07.30
申请号 CA20092712794 申请日期 2009.01.23
申请人 FILTRONA INTERNATIONAL LIMITED 发明人 CLARKE, PAUL FRANCIS;ARAUJO, DANIEL S.
分类号 A24D3/02;A24D3/04 主分类号 A24D3/02
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