About: http://webisa.webdatacommons.org/273214969

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 pinch valve as set forth in claim 1, wherein the spring means is a mechanical compression spring acting on the actuating ring in an axial direction.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com