Superseded
Standard
Historical
DIN 21605:1990-07
Auxiliary ventilation for mining; flexible plastic air ducts for exhaust and forced ventilation; spiral air ducts
Preview
Summary
Sonderbewetterung im Berbau; Wetterlutten aus faltbarem Kunststoff für saugende und blasende Bewetterung; Spirallutten
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 07/01/1990 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
01/07/1990
Superseded
Historical