About: http://webisa.webdatacommons.org/395614028

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 lip cooperates with the frame portion and/or the securing member to hold a sheet, such as an advertisement or the like, to the writing portion, whereby the sheet becomes a writing surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es