About: http://webisa.webdatacommons.org/56863792

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	Although the invention has been described with reference to particular examples of field emission cathodes, the description is only an example of the invention's application and should not be taken as a limitation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com