About: http://webisa.webdatacommons.org/437885769

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 another object of the invention to provide a hydraulic power and control circuit for operating a reciprocating member such as a chain or rack and pinion driven by a hydraulic motor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com