About: http://webisa.webdatacommons.org/345628394

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	According to alternate embodiments, the valve 22 may be held by valve holding means, which, for example, may include a mounting flange, nut and threads, bayonet, clip and groove, or other retaining element.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com