Recess filter and smokeable article containing a recess filter
Reduced gas phase cigarette
Reduced ignition propensity smoking articles
Reduction of carbon monoxide and nitric oxide in smoking...
Relating to smoking articles
Removal of nicotine from tobacco smoke
Removal of noxious oxidants and carcinogenic volatile nitrosocom
Rod of smoking material and cigarettes made therefrom
Rod-like smoking article with secondary air channels and apparat