DIN 44402-21:1976-09 Measurement of the electrical properties of electronic tubes; method of measurement for cold cathode counting and indicator tubes

标准编号：DIN 44402-21:1976-09

英文标题：Measurement of the electrical properties of electronic tubes; method of measurement for cold cathode counting and indicator tubes

德文标题：Messungen elektrischer Eigenschaften von Elektronenröhren; Meßverfahren für Kaltkathodenanzeigeröhren

发布日期：1976-09

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