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Ityhubhu yeCasing max idayamitha yangaphandle 115-350mm ODEX drill bits eccentric overburden overburden system yokomba amaqula amanzi anzulu
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I-Eccentric Overburden Drilling Casing System yokomba umthombo
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Rock Drilling Eccentric Overburden Casing System Odex Drill Bit NgoMgangatho Olungileyo
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IsiXhobo sokuDla i-ODEX Eccentric/i-eccentric ye-Eccentric Drill bit