About: http://webisa.webdatacommons.org/456631496

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	Only FIG. 1 discloses the use of plural corrugated sheets, each of which includes opposite backing layers, and no disclosure is made of securing the layers together except at their peripheries.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr