About: http://webisa.webdatacommons.org/52649481

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 device, as claimed in claim 3, wherein said lens is a concave lens.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au