NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 138000 ; VDE 0565-2:1997-03 [Withdrawn] references following documents:
Document number | Edition | Title |
---|---|---|
ISO 497 | 1973-05 | Guide to the choice of series of preferred numbers and of series containing more rounded values of preferred numbers More |