About: http://webisa.webdatacommons.org/410570043

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 valve according to claim 2 wherein at least one of the fluid passageways is a channel formed in the first surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com