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煤炭行业标准(MT)
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MT 222-1996 Local ventilation fans for coal mines
MT 222-1996
MT 137.1-1986 Method for determination of harmful gas carbon monoxide in mine air
MT 137.1-1986
MT/T 84-1997 Drum shearer types and basic parameters
MT/T 84-1997
MT/T 841-1999 Technical requirements for steel thin shell door reverse damper
MT/T 841-1999
MT/T 758-1997 General technical requirements for electrical automatic sprinkler systems for belt conveyors in coal mines
MT/T 758-1997
MT/T 721-1997 Thermal conductivity high concentration methane sensor for gas extraction
MT/T 721-1997
MT/T 720-1997 Technical requirements for automatic explosion-proof and fire-extinguishing devices for gas extraction pipelines
MT/T 720-1997
MT/T 707-1997 Spectroscopic oxygen absorption method for identification of spontaneous combustion tendency of coal
MT/T 707-1997
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