About: http://webisa.webdatacommons.org/450595342

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. 2a is an enlarged side view of the main portion of a first-type confidential mark detector for use in the electrophotographic copying machine shown in FIG. 1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es