About: http://webisa.webdatacommons.org/81759504

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	In FIG. 1A the platen 1 is made of transparent glass or plastic, or other suitable transparent material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com