About: http://webisa.webdatacommons.org/131139171

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	An optical arrangement according to claim 20, wherein n is a number greater than or equal to 1. 22.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com