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8.5 inches single cone roller bits IADC537G bakeng sa ho cheka majoe a HDD
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API 8.5 inches trione thirds roller cone bit for rotary drig rig
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China feme 4 3/4 ″ API roller bit palm bakeng sa moqomo oa mantlha setokong
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14 3/4 inch trione bit segments cone bits for piling foundation
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API 12 1/4 inch trione bit cutter bakeng sa barrel ea mantlha setokong
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Mofuta o le Mong oa Motheo o ka nkeloang sebaka bakeng sa Bucket ea Rotary Drilling Rig Drilling
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Feme ea API ea 185mm TCI trione cutter bakeng sa coring e thata ea rock
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Feme ea API ea TCI roller cutter bakeng sa mochini oa ho cheka oa rotary piling
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Metal-face e tiisitsoe ka rolara khoune bakeng sa motheo o thata
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Biti e le 'ngoe ea rotary milled tooth cone bakeng sa ho cheka ka boenjiniere
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Likotoana tsa API tsa meno tse sa reroang bakeng sa mochini oa qubu oa motheo
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Feme ea API ea Roller Cone Bit e ka nkeloang sebaka ka Flange bakeng sa ho cheka HDD