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This standard applies to fans with eletric motor drive for use in potentially explosive atmospheres of coal mines. Such fans serve with the help of ventilation ducts for the auxiliary ventilation in coal mines.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 73.100.20 : Ventilation, air-conditioning and illumination equipment
|
| Number of pages | 8 |
| Replace | DIN 21625 (1990-02) |
| Year | 2010 |
| Document history | DIN 21625 (2010-07) |
| Country | Germany |
| Keyword | 21625 |