About: http://webisa.webdatacommons.org/272874722

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 artificial pericardium of claim 7 wherein the closure means is a grooved seal having male and female portions sized for effecting a sealing closure.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca