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a tube in which conduction by electrons takes place through a vacuum or gaseous medium within a gastight envelope, elektrovaakumseadis, milles elektronivoogu tüüritakse elektroodidevahelise elektrivälja abil
electron valve . EKI terminibaas Esterm. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//esterm/electron%20valve/1/eng (19.06.2026)