About: http://webisa.webdatacommons.org/13503771

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	A digital copying system as claimed in claim 1, further comprising a detector for detecting whether a document is a thin paper or not;
http://www.w3.org/ns/prov#wasQuotedFrom	google.com