About: http://webisa.webdatacommons.org/430487550

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	Since the cylindrical extension does not require fine-grained material, a less expensive ferrite with a grain size such as 5 microns can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com