DIN 21615:2009-10
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DIN 21615:2009-10

Auxiliary ventilation for mining - Sheet steel reducers with flange and shoulder

Summary

Auxiliary ventilation in mining is always necessary when underground working places are not connected to the main air current. This standard applies to sheet steel reducers which serve as connecting pieces between ventilation equipment with flange joints and flexible plastic ventilation ducts.

Technical characteristics

Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 10/01/2009
Page Count 6
EAN ---
ISBN ---
Weight (in grams) ---
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