About: http://webisa.webdatacommons.org/180361290

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 invention is characterized by the valve including a sensor for producing a signal when the moveable valve-member reaches either the open or the closed terminal position.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr