About: http://webisa.webdatacommons.org/288048312

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 motor control is especially useful for a continuously operating motor which changes speed at a relatively low rate as compared with the start-stop operation of Peterson U.S. Pat. No. 4,546,293.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca