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 US2011247637(A1) 申请公布日期 2011.10.13
申请号 US200913119414 申请日期 2009.09.10
申请人 DUKE MARTIN;OLIVEIRA PAULO 发明人 DUKE MARTIN;OLIVEIRA PAULO
分类号 A24D3/10;A24D3/02 主分类号 A24D3/10
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