coal drill pipe
coal drill pipe, Total:3 items.
The international standard classification for "coal drill pipe" includes: Tunnelling and tubbing equipment .
The Chinese standard classification for "coal drill pipe" includes: Coal mine special equipment , Mine support equipment .
Professional Standard - Coal
- MT/T 538-1996 Coal Drill Pipe
- MT/T 905-2002 Rotary drill rod used for coal mining roofbolter
- MT/T 392-2011 The Style and Basic Size of Taper Screw-thread Body of Drill Rod for Coal Mine
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