About: http://webisa.webdatacommons.org/166988114

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 particular types of tanks, conduits, pumps and other equipment needed to practice this invention are known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es