Industry Documents_YIKUANG-Commit to drilling

2019-12

MT/T 692-1997 Technical specification for coal mine gas drainage -- the People's Republic of China coal industry standard

Click to download: MT/T692-1997 Technical Specification for Gas Drainage in Coal Mines

2019-12-12

2019-12

MT/T 688-1997 General Technical Conditions for Coal Mine Anchor Rig -- the People's Republic of China Coal Industry Standard

2019-12-12

2019-12

MT/T 516.3-1995 Drilling Tools for Hydraulic Rock Drills in Coal Mines-the People's Republic of China Coal Industry Standard

2019-12-12

2019-12

MT/T 516.2-1995 Drilling tools for hydraulic rock drills in coal mines-the People's Republic of China coal industry standard

Click to download: MT/T516.2-1995 coal mine hydraulic rock drill drill bit

2019-12-12

2019-12

MT/T 146.1-2011 resin anchor bolts-Part 1: Anchoring agents-the People's Republic of China coal industry standard

2019-12-12

2019-12

MT/T 904-2002 Soft Rock Drill Pipe and Bit of Welded Structure -- the People's Republic of China Coal Industry Standard

2019-12-12

2019-12

MT/T 1056-2008 Technical Conditions for Failure of Drill Pipe of Mine Anti-well Drilling Rig -- the People's Republic of China Coal Industry Standard

2019-12-12

2019-12

MT/T 538-1996 Coal drill pipe -- the People's Republic of China coal industry standard

2019-12-12

2019-12

MT/T 521-2006 regular Drill Pipe for Coal Mine Tunnel Drilling -- the People's Republic of China Coal Industry Standard

2019-12-12

2019-12

MT/T 392-2011 Type and basic dimensions of conical thread body of drill pipe for coal mines -- the People's Republic of China coal industry standard

MT/T392-2011 Drill Pipe for Coal Mine Tapered Thread Body Type and Basic Dimensions

2019-12-12

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