About: http://webisa.webdatacommons.org/163537481

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	In this invention it is important to differentiate native oxides, which are present on all metals, from oxides and other coatings produced by external means".
http://www.w3.org/ns/prov#wasQuotedFrom	google.com