About: http://webisa.webdatacommons.org/181331225

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 magnets can be electromagnetic including superconducting or the permanent magnet type.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com