About: http://webisa.webdatacommons.org/394833361

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	Besides, magnetic heads are classified into single-pole heads, ring heads and the like, and the present invention can be applied to both types of magnetic heads.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com