About: http://webisa.webdatacommons.org/405654450

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	This invention is susceptible to modifications in the methods and materials, such as the choice of catalyst, smokable material, filter, and the like, as well as alterations in the fabrication methods and equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com