NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 60127-4 ; VDE 0820-4:1997-05 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60326-3 | 1991-04 | Printed boards; part 3: design and use of printed boards More |
| IEC 60664-1 | 1992-10 | Insulation coordination for equipment within low-voltage systems; part 1: principles, requirements and tests More |
| ISO 3 | 1973-04 | Preferred numbers; Series of preferred numbers More |