PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An object of this invention is to provide a tobacco smoke filter in which the filtering material is capable of removing poisons such as nicotine and other harmful con stituents from tobacco smoke in a highly improved and eflicient manner without so altering the smoke as to spoil its taste and appeal to the smoker.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com