About: http://webisa.webdatacommons.org/211149450

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 optically transmissive system can be made of clear PMMA, COC, BK7 glass, polycarbonate, nylon, silicone rubber or other material as would be readily understood by a worker skilled in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au