About: http://webisa.webdatacommons.org/82471575

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	However, there was a limit to the treatment of a surface even by this method, and particularly in the case where the substrate is a metal or alloy, arc discharge occurred under atmospheric pressure, making the treatment difficult.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com