About: http://webisa.webdatacommons.org/323306280

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 invention as defined in claim 1 wherein one of said at least two filters is a condensing lens.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr