About: http://webisa.webdatacommons.org/327468793

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 present invention is an improvement over the prior art because the pile assembly contains a minimal number of moving parts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com