DIN VDE 0303-21 VDE 0303-21:1996-03
Methods of test for electric strength of solid insulating materials
Test at power frequencies
(IEC 60234-1:1988, mod + Corrigendum 1989); German version HD 559.1 S1:1991
Class/Status:
Standard,
withdrawn
Released: 1996-03
VDE Art. No.: 0303016