About: http://webisa.webdatacommons.org/407456943

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	The invention relates to a gas pressure safety device used in the natural gas distribution systems leading to homes or other customers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com