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9 1/2 Inch 240mm API Bisanzwe TCI tricone bits yo gucukura brehole
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7 1/2 Inch 190.5mm Tci Tricone Bits yo gucukura neza
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6 1 / 2Kora amababa atatu urutare rwa TCI tricone bits yo gucukura bikomeye
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6 3/4 Inch Uruganda Igiciro Tricone Bit / amazi Iriba Gutobora Bitagurishwa
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6Inch Tci Tricone Gutobora Bit 152mm Amazi meza Amazi meza Amavuta Ubushakashatsi Tricone Drill Bit
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5 1/2 Inch Iadc 537 Tci Tricone Gucukura Urutare Bit Kuburyo bwo Hagati
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12 1/4 ”311mm API isanzwe ya TCI urutare rwa bits yo gucukura neza
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3 7/8 Inch Tungsten Carbide Shyiramo Tricone Bit Kubyiza Amazi no Gucukura Core
