Standards

MT 668-1997 Replaced

MT 668-1997 Technical Conditions for Flame-Retardant Steel-Mesh-Core Conveying Belt for Coal Mines

Publish Date: 1997-11-10

MT/T 649-1997 Replaced

MT/T 649-1997 Technical conditions of jet flotation cells for coal

Publish Date: 1997-11-10

MT/T 651-1997 Replaced

MT/T 651-1997 Test method and decision rule for coal jig with water-only

Publish Date: 1997-11-10

MT/T 653-1997 Replaced

MT/T 653-1997 Principal dimensions of idler sets for belt conveyors for coal mining

Publish Date: 1997-11-10

MT 246-1996 Replaced

MT 246-1996 coal mining cutting tooth

Publish Date: 1996-12-30

MT 247-1996 Replaced

MT 247-1996 coal mining gear base

Publish Date: 1996-12-30

MT 624-1996 Replaced

MT 624-1996 Explosion-proof control button for coal mines

Publish Date: 1996-12-30

MT 625-1996 Replaced

MT 625-1996 Flameproof signaling switch for coal mine

Publish Date: 1996-12-30

MT/T 1-1996 Replaced

MT/T 1-1996 The method for measuring the content of gangue and the limit rate of coal products

Publish Date: 1996-12-30

MT/T 596-1996 Replaced

MT/T 596-1996

Publish Date: 1996-12-30

MT/T 619-1996 Replaced

MT/T 619-1996 Coal laboratory grading and evaluation

Publish Date: 1996-12-30

MT/T 620-1996 Replaced

MT/T 620-1996 The technical specifications for temperature control instrument used in coal analysis furnace

Publish Date: 1996-12-30