About: http://webisa.webdatacommons.org/73108181

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	The photomask blank according to claim 6, wherein the chromium compound is a compound mainly composed of chromium oxide, chromium nitride, or nitride chromate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com