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OD 133mm MRE Dual Rotors Overburden Casing Drilling Bit CIR110 Shank With Casing Pipe

DTH Drill Bit
2025-07-11
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OD 133mm MRE Dual Rotors Overburden Casing Drilling Bit CIR110 Shank With Casing Pipe Description MRE Dual Rotors Eccentric Overburden casing drilling system, At clockwise rotation, reamer bits expand ... View More
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OD 133mm MRE Dual Rotors Overburden Casing Drilling Bit CIR110 Shank With Casing Pipe
OD 133mm MRE Dual Rotors Overburden Casing Drilling Bit CIR110 Shank With Casing Pipe
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