About: http://webisa.webdatacommons.org/101265229

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	These forms may include silicone and other biocompatible materials suitable for fitting snug against a valve seat. [0087] As seen in FIG. 10B, the core 198 may have channels 202 and a head 200.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com