About: http://webisa.webdatacommons.org/24443669

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	Such cloth covering of metal components in bioprosthetic valves is well known in this art and disclosed for example in my earlier '434 patent.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk