About: http://webisa.webdatacommons.org/52607847

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 valve means 64 preferably comprises a valve element 66 made of rubber or other elastometric material, and having a still rod 68 extending through it.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com