Standards

MT 754-1997 Replaced

MT 754-1997 Technical specification for extractable axial-flow fan used for the ground of small mine

Publish Date: 1997-12-30

MT 755-1997 Replaced

MT 755-1997 Technical specification for contrarotating auxiliary fans

Publish Date: 1997-12-30

MT/T 249-1997 Replaced

MT/T 249-1997 Flameproof mining type double speed three-phase induction motors

Publish Date: 1997-12-30

MT/T 671-1997 Replaced

MT/T 671-1997 Flameproof submersible sewage motor pump for mining and tunneling face of mine—Technical condition

Publish Date: 1997-12-30

MT/T 688-1997 Replaced

MT/T 688-1997 General technical condition of roofbolter for coal mining

Publish Date: 1997-12-30

MT/T 693-1997 Replaced

MT/T 693-1997 General technical conditions for underground radio-wave penetration instrument

Publish Date: 1997-12-30

MT/T 700-1997 Replaced

MT/T 700-1997 General technical conditions of inhibitor for coal mine fire prevention

Publish Date: 1997-12-30

MT/T 702-1997 Replaced

MT/T 702-1997 Technical specification of fire fighting by grouting in coal mines

Publish Date: 1997-12-30

MT/T 757-1997 Replaced

MT/T 757-1997 General technical conditions of the tube bundle monitoring system for coal mine spontaneous combustion

Publish Date: 1997-12-30

MT/T 84-1997 Replaced

MT/T 84-1997 Shearer—Types and basic parameters

Publish Date: 1997-12-30

MT 61-1997 Replaced

MT 61-1997 Test method and judge rules of safety of permissible explosive for coal mining in firedamp

Publish Date: 1997-12-12

MT 62-1997 Replaced

MT 62-1997 Test method and judge rules of safety of permissible electric detonator for coal mining in firedamp

Publish Date: 1997-12-12