NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 60603-7-1 ; VDE 0687-603-7-1:2010-05 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ITU-T O.9 | 1999-03 | Measuring arrangements to assess the degree of unbalance about earth More |
