About: http://webisa.webdatacommons.org/17512297

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	A permanent magnet is a ferromagnetic material that possesses permanent magnetic properties, even when it is not located within a magnetic field.
http://www.w3.org/ns/prov#wasQuotedFrom	goudsmit-magnetics.nl