About: http://webisa.webdatacommons.org/43091259

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	It is an object of the current invention to avoid the distortions and other problems of the prior art through the use of a non-homogeneous wire encapsulated anti-extrusion ring.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com