| 摘要 |
PCT No. PCT/GB94/02339 Sec. 371 Date Jun. 6, 1996 Sec. 102(e) Date Jun. 6, 1996 PCT Filed Oct. 21, 1994 PCT Pub. No. WO95/10952 PCT Pub. Date Apr. 27, 1995A smoking article comprising a smoking rod, a filter and ventilation means incorporated in the filter and communicating with the outside of the smoking article, viscous fluid in the ventilation means closing or partially closing the ventilation means, the viscous fluid being displaceable during use of the smoking article enabling ventilation to occur. |
