About: http://webisa.webdatacommons.org/117622324

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 circuits 278, 280, 282 are identified in FIG. 3 as Parker Boards" because these are circuits of types known to the art for controlling the Parker brand electrohydraulic valves 258, 260, 262 used in the preferred embodiment.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com