About: http://webisa.webdatacommons.org/338469961

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 ferromagnetic particles provided by the invention also preferably have a particle size of between 10 and 60 ??m, and especially preferred, of between 20 and 50 ??m.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com