About: http://webisa.webdatacommons.org/228792399

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 uses a closed core made of a soft magnetic material, such as ferrite, the core being, for example, a UU-core or a UI-core.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr