About: http://webisa.webdatacommons.org/133171554

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	More particularly, the invention is a modification of a standard 3-point hitch on agricultural tractors, and a corresponding modification of the pinning structure (i.e., guides) on the implements.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com