About: http://webisa.webdatacommons.org/23593094

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	At the cemented surface, a plurality of openings (five pinholes) 71-75 are formed by using a light blocking film such as chromium, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com