About: http://webisa.webdatacommons.org/5816639

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	An electron-emitting device according to claim 40, wherein said metal oxide is an oxide of at least a metal selected from Be Mg, Sr, Ba, Y, La, Th, Ti, Zr, Hf, W, Fe and Al.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr