About: http://webisa.webdatacommons.org/301854514

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	Radio-opaque materials such as gold and platinum are well known and may be readily electroplated onto the surface of the inventive device.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr