NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN 19227-1 [Withdrawn] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 19227-2 | 1991-02 | Control technology; graphical symbols and identifying letters for process control engineering; representation of details More |
| NAMUR NA 46 | 2003-01-17 | Examples of recipe-based operations to NE 33 More |
| VGB M 406 G | 1992 | Automation of plants for the desalination of water with ion exchangers More |