About: http://webisa.webdatacommons.org/212196933

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	This substrate can comprise one or more layers having identical or different properties and can have properties of elasticity and of softness and other properties appropriate for the desired use.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com