About: http://webisa.webdatacommons.org/114598004

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	aid permanent magnets at said position by means of one of a formula and a look-up table; and said controller including means for driving said coils in accordance with the field polarity at said position. 10.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com