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30/60mm Step Shank Rock Drilling Rig Augerteeth (3060) Bkh47 Mining Bit

30/60mm Step Shank Rock Drilling Rig Augerteeth (3060) Bkh47 Mining Bit
Foundation Drilling Tools Types as below: B47K-17H, B47K-19H, B47K-20H, B47K-22H, 3050,3060,3065,customers' requirement...

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