About: http://webisa.webdatacommons.org/141700360

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	Accordingly, the scanning and image-forming optical system may include, other than the lens, ???a reflecting-surface component having a mirror surface having an image-forming function???.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com