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Casing fantsona max ivelany savaivony 115-350mm ODEX fandavahana bits eccentric overburden casing rafitra ho an'ny rano lalina fandavahana
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Eccentric Overburden Drilling Casing System ho an'ny fandavahana tsara
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Rock Drilling Eccentric Overburden Casing System Odex Drill Bit miaraka amin'ny kalitao tsara
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ODEX Exentric Drill Tool/excentric Overburden Drill Bit