NA 060

DIN Standards Committee Mechanical Engineering

DIN 21612 [CURRENT] referenced in following documents:

Document number Edition Title
Document number DIN 21605 Edition 2010-07 Title Auxiliary ventilation for mining - Flexible plastic ventilation ducts for exhaust and forced ventilation - Spiral ventilation ducts More 
Document number DIN 21606 Edition 2010-07 Title Auxiliary ventilation for mining - Flexible plastic ventilation ducts for forced ventilation - Flat ventilation ducts More 
Document number DIN 21610 Edition 2010-07 Title Auxiliary ventilation for mining - Flexible plastic air ducts - Requirements and test methods More