MT 222-2019
Local ventilator for coal mines (English Version)

Standard No.

MT 222-2019

Language

Chinese, Available in English version

Published By

煤炭工业部

Latest

MT 222-2019

MT 222-2019 history

• 1970 MT 222-2019 Local ventilator for coal mines
• 2007 MT 222-2007 Technical specification for auxiliary Fans used for mine
• 1996 MT 222-1996 Local ventilator for coal mine
• 1990 MT 222-1990 Local ventilator for coal mines