Standards

MT 710-1997 Abolished

MT 710-1997 Flameproof circuit breaker with plugs and sockets for coal mine

Publish Date: 1997-12-30

MT 711-1997 Abolished

MT 711-1997 Self-rescuer of isolated and copressed oxygen

Publish Date: 1997-12-30

MT 756-1997 Abolished

MT 756-1997 Test method of flame resistance property of polystyrene foam plastics for water trough for explosion suppression

Publish Date: 1997-12-30

MT/T 672-1997 Abolished

MT/T 672-1997 Technical reguirement for hydrochemistry approach in coal mine water contol

Publish Date: 1997-12-30

MT/T 674-1997 Abolished

MT/T 674-1997 Technical specification for drain of mine water during the period of production

Publish Date: 1997-12-30

MT/T 675-1997 Abolished

MT/T 675-1997

Publish Date: 1997-12-30

MT/T 678-1997 Abolished

MT/T 678-1997 General technical condition of borehole density logging instrument for mining

Publish Date: 1997-12-30

MT/T 679-1997 Abolished

MT/T 679-1997 General technical condition of Rayleigh wave seismograph for mining

Publish Date: 1997-12-30

MT/T 690-1997 Abolished

MT/T 690-1997 Determination of resistance on ground and mesa conducting statial electricity in detonator production line

Publish Date: 1997-12-30

MT/T 692-1997 Abolished

MT/T 692-1997 Tchnical specifications of gas drainage for coal mining

Publish Date: 1997-12-30

MT/T 698-1997 Abolished

MT/T 698-1997 Technical standerd of prevention and extingush of mine fire by air stopping

Publish Date: 1997-12-30

MT/T 712-1997 Abolished

MT/T 712-1997 Determining method of the classification efficiency for dust prevention measures

Publish Date: 1997-12-30