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UP31B Medium Deep Hole Mining Annular Blast holes Parallel Holes Underground Drill Rig

UP31B Medium-deep Hole Mining Rig Product Description UP31B medium-deep hole mining drill rig has a minimum tunnel size of 3.8 X3.8m, which can meet the maximum 5.5m high mining tunnel operation. It ... View More
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UP31B Medium Deep Hole Mining Annular Blast holes Parallel Holes Underground Drill Rig
UP31B Medium Deep Hole Mining Annular Blast holes Parallel Holes Underground Drill Rig
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