About: http://webisa.webdatacommons.org/264870644

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	In effect, the springs and other elastic materials relied upon in the prior art are unnecessary, as the thinner portions 4 provide required resilience.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com