NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN IEC 61253-1 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 323-1 | 1974-08 | Preferred Numbers and Series of Preferred Numbers; Basic Values, Calculated Values, Rounded Values More |
| DIN 323-2 | 1974-11 | Preferred numbers and series of preferred numbers - Introduction More |
| IEC 60027-1 | 1992-12 | Letter symbols to be used in electrical technology; part 1: general More |
| ISO 3 | 1973-04 | Preferred numbers; Series of preferred numbers More |
| ISO 497 | 1973-05 | Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers More |
