NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Standards
[CURRENT]
IEC 60050-531 AMD 1
IEC 60050-531 AMD 1
International electrotechnical vocabulary - Chapter 531: Electronic tubes; Amendment 1
Title (German)
Internationales Elektrotechnisches Wörterbuch - Teil 531: Elektronenröhren; Änderung 1