About: http://webisa.webdatacommons.org/408717019

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	Further, it was also clarified that the optical device according to the present invention was suitably used as an optical component, such as a diffraction grating, having a predetermined surface shape.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com