About: http://webisa.webdatacommons.org/167933004

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	Such a backplate may be formed of any suitable material (i.e., iron, steel, or other ferrous material or alloy) which is useful in forming a pole piece as described above.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com