About: http://webisa.webdatacommons.org/45194467

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	For example, a combination of two or more transmissive materials such as glass, quartz, Teflon, and the like may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com