| 发明名称 |
FILTRO VENTILADO PARA ARTICULOS DE FUMAR. |
| 摘要 |
<p>A ventilated filter element comprising a fibrous filter element wherein a plurality of equiangularly spaced apart grooves extend in a parallel fashion along the longitudinal axis of the filter element from the mouth end of the element for a distance less than the total length of the element.</p> |
| 申请公布号 |
ES282222(Y) |
申请公布日期 |
1985.12.01 |
| 申请号 |
ES19220002822U |
申请日期 |
1983.08.17 |
| 申请人 |
BROWN & WILLIAMSON TOBACCO CORPORATION |
发明人 |
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| 分类号 |
A24D3/02;A24D1/04;A24D3/04;A24D3/10;(IPC1-7):A24D3/04 |
主分类号 |
A24D3/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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