发明名称 FILTER FOR A SMOKING ARTICLE
摘要 The invention provides a filter element for a smoking article. The filter element comprisesa plug of filter material, and a tobacco thread, wherein the tobacco thread extends substantially longitudinally through the plug of filter material. The filter element can be used in a variety of smoking articles.
申请公布号 WO2010032032(A1) 申请公布日期 2010.03.25
申请号 WO2009GB51159 申请日期 2009.09.10
申请人 BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED;DUKE, MARTIN;OLIVEIRA, PAULO 发明人 DUKE, MARTIN;OLIVEIRA, PAULO
分类号 A24D3/02;A24D3/04 主分类号 A24D3/02
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