About: http://webisa.webdatacommons.org/135422520

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 inner surface of the housing 12 and the surface of the optical sheet 13 described above refer to optical surfaces, including the surfaces having a reflective member covered with a transparent protective film or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com