DIN 21631

March 2011

Standard Current

Air regulating systems for mining - Wing air doors for travelling tracks - One-wing type air doors without pressure reduction / Note: DIN 21631 (1993-01) remains valid alongside this standard until 2011-08-31.

Main informations

DIN german standards

March 2011

18 p.

DIN 21631

73.100.20 Ventilation, air-conditioning and illumination equipment

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