About: http://webisa.webdatacommons.org/11420616

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	FIG. 3 is a like system with a stepdown-coupling prism that reduces the image in one direction,
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com