About: http://webisa.webdatacommons.org/109438682

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	Another more specific aspect of the present invention is an optical system containing an optical element formed from a material capable of supporting propagation of image forming beams of radiation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au