发明名称 TOBACCO SMOKE FILTERS
摘要 Apparatus and method are described for manufacturing a filter rod from a continuous multifilament filter tow which is treated with a smoke-modifying agent during the filter rod manufacturing process.
申请公布号 PH25561(A) 申请公布日期 1991.08.08
申请号 PH19400000357 申请日期 1987.08.27
申请人 R.J. REYNOLDS TOBACCO COMPANY 发明人 JAMES WILLIARD PRYOR
分类号 A24D3/02;A24D3/04 主分类号 A24D3/02
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