DIN VDE 0276-621:1997 Power cables - Part 621: Medium voltage impregnated paper insulated distribution cables; German version HD 621 S1:1996 Parts 1, 2, 3C and 4C
2018DIN VDE 0276-621 Berichtigung 1:2018 Power cables - Part 621: Medium voltage impregnated paper insulated distribution cables; German version HD 621 S1:1996 Parts 1, 2, 3C and 4C; Corrigendum 1
1997DIN VDE 0276-621:1997 Power cables - Part 621: Medium voltage impregnated paper insulated distribution cables; German version HD 621 S1:1996 Parts 1, 2, 3C and 4C