About: http://webisa.webdatacommons.org/251044533

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	(carbon fiber reinforced carbon) or the like, or ceramics such as boron nitride, alumina, silica, silicon nitride, silicon carbide or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com