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Kubowola migodi bwino rotary tricone IADC835 11 ″(179.4mm)
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API golide mining Rock Bits IADC845 yopanga molimba
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Mtengo wobowola miyala ya Rotary IADC825 11 mainchesi
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API Deep migodi bwino tricone bits IADC832 12.25 ″ 311mm
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API Mining thanthwe kubowola zidutswa IADC745 12.25″(311mm) fakitale
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Wopanga ma HDD pilot drill bits pobowola corssing
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Fakitale ya API ya No-dig Pilot tricone bit for HDD pobowola rig
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API Madzi a chitsime chobowola miyala kuti apange molimba
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Fakitale ya API Mpira mano mafuta ndi gasi kubowola bits 14 3/4 ″ pachitsime chakuya
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API ogulitsa Rotary oil rig drill bit 16 ″ mtengo mu stock
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API Metal yosindikizidwa mafuta a tricone kubowola pang'ono kwa ma foratmions olimba
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API petroleum tricone pobowola pang'ono yogulitsidwa m'gulu