About: http://webisa.webdatacommons.org/315987887

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	A liquid distribution system as set forth in claim 2 wherein said back pressure means is an adjustable automatic regulating valve. 4.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es