About: http://webisa.webdatacommons.org/220817368

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	Note, according to an embodiment of the present invention, the illustrated sidewalls 164 can be replaced with other forms of extension extending from the annular flange portion 162 of the second valve 160.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au