About: http://webisa.webdatacommons.org/59720922

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	Thus, 19 kinds of welded pipe differing in weld metal chemical composition were prepared.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com