About: http://webisa.webdatacommons.org/147697986

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 bias member for returning the valve body to the closed position can include any resilient member or mechanism, including coil springs, leaf springs, elastic cords, bends, magnets andelastic membranes.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com