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API 5 5/8 inci PDC Jawo Bit 3 Blades don ƙaƙƙarfan samuwar
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Ƙananan farashi API 6 Inci PDC mataki ja bit 3 fuka-fuki a hannun jari
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Kamfanin API na 4 5/8 Inci PDC ja hakowa tare da 3 Blades
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152mm mataki ja bit 3 ruwan wukake don binciken ƙasa
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Low farashin 360mm mataki ja bit 3 ruwan wukake don wuya samuwar
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Inci 6 PDC Jawo Bit 4 fuka-fuki don hako riji mai wuya
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AP 98mm mataki ja bit 3 Blades don hakowa geothermal
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API 152mm PDC concave rock bit 4 Blades don hako rijiyar
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Wholesale API PDC dutse hako rago don wuya formations
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Kamfanin API na PDC bit don hako rijiyar a hannun jari
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Rijiyar mai na tono karfen jikin PDC drills don rijiyar mai tauri
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8.5 inci guda ɗaya na mazugi IDC537G don hako dutsen HDD