NA 021
DIN Standards Committee Iron and Steel
DIN EN 10138-3 [Withdrawn] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 21605 | 2010-07 | Auxiliary ventilation for mining - Flexible plastic ventilation ducts for exhaust and forced ventilation - Spiral ventilation ducts More |
| DIN 21606 | 2010-07 | Auxiliary ventilation for mining - Flexible plastic ventilation ducts for forced ventilation - Flat ventilation ducts More |
