Standards

MT/T 721-1997 Abolished

MT/T 721-1997 Thermal conductivity-based high-concentration methane sensor for gas extraction

Publish Date: 1997-12-30

MT/T 722-1997 Abolished

MT/T 722-1997 Network blocking exploders for coal mines

Publish Date: 1997-12-30

MT/T 723-1997 Abolished

MT/T 723-1997 Gas blocking exploders for coal mines

Publish Date: 1997-12-30

MT/T 753-1997 Abolished

MT/T 753-1997 Fundamental pattern and parameter series for extractable axial-flow fan used for the ground of small mine

Publish Date: 1997-12-30

MT/T 761-1997 Abolished

MT/T 761-1997 Technical requirements for groundwater management model of coal mine

Publish Date: 1997-12-30

MT/T 762-1997 Abolished

MT/T 762-1997 General technical condition for nonpower automatic open-close device of the coal mine fire-fighting door

Publish Date: 1997-12-30

MT/T 724.1-1997 Abolished

MT/T 724.1-1997 Technical condition of coal for pulverized coal-fired boiler for power generation supplied by Chenghe mining bureau

Publish Date: 1997-12-12

MT/T 728.1-1997 Abolished

MT/T 728.1-1997 Technical condition of coal for pulverized coal-fired boiler for power generation supplied by Datong mining bureau

Publish Date: 1997-12-12

MT/T 735.1-1997 Abolished

MT/T 735.1-1997 Technical condition of coal for pulverized coal-fired boiled for power generation supplied by Pubai mining bureau

Publish Date: 1997-12-12

MT 646-1997 Abolished

MT 646-1997 Frictional metal prop

Publish Date: 1997-11-10

MT 422-1996 Abolished

MT 422-1996 Method for Determining Size Distribution of Coal Mine Dust (Mass Method)

Publish Date: 1996-12-30

MT 637-1996 Abolished

MT 637-1996 Coal and Gas Eruption Mine Identification Specification

Publish Date: 1996-12-30