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Casing tube max outer diameter 115-350mm ODEX drill bits eccentric overburden casing system for deep water wells drilling
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Eccentric Overburden Drilling Casing System ສໍາລັບການເຈາະດີ
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Rock Drilling Eccentric Overburden Casing System Odex Drill Bit ມີຄຸນນະພາບດີ
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ODEX Eccentric Drilling Tool/Excentric Overburden Drill Bit