About: http://webisa.webdatacommons.org/163891589

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	High currents are particularly needed for some applications of electron guns, in amplifiers and in some power supplies, such as magnetrons and klystrons.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com