About: http://webisa.webdatacommons.org/37873257

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	Preferred mask materials compatible with the present invention include, by way of example, metals, such as stainless steel and titanium, or silicon and alumina based ceramics.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr