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republic of liberia 14 3/4" 5 blades PDC bit
republic of liberia 132mm 3 blades diamond bit
republic of liberia 4 blades PDC diamond bit
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republic of liberia 12 1/4inch Hybrid drill bit
republic of liberia 17 1/2inch Hybrid pdc drill bit
republic of liberia 9 7/8 tricone bit for mining,iadc825
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republic of liberia 8 3/4inch pdc bit,steel body, 4 blades
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republic of liberia 12.25 IADC127 tricone roller bit
republic of liberia 12.25 IADC126 steel body PDC bit
republic of liberia 12.25 IADC117 steel tooth tricone bit
republic of liberia 8.5 IADC127 milled tooth tricone bit
