NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 61466-1 ; VDE 0441-4:1997-10 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| HD 474 S1 | 1986 | Dimensions of ball and socket couplings of string insulator units More |
