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Ngwuputa nke ọma rotary tricone mkpọpu ihe IDC835 11 ″ (179.4mm)
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Ngwuputa ọla edo API Rock Bits IDC845 maka nhazi siri ike
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Ọnụ ego Ngwuputa Ngwuputa Rotary rock IDC825 11 sentimita asatọ
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API Ngwuputa ọma tricone bits IDC832 12.25″ 311mm
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API Ngwuputa nkume mkpọpu ihe IDC745 12.25 ″(311mm) ụlọ ọrụ
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HDD pilot drill bits emeputa maka corssing mkpọpu mmiri
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Ụlọ ọrụ API nke No-dig Pilot tricone bit maka mgbapu mmiri HDD
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API Ngwurọ egwu mmiri nke ọma maka nhazi siri ike
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Ụlọ ọrụ API Bọọlụ ezé mmanụ na mkpọpu gas 14 3/4 ″ maka olulu mmiri miri emi
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Onye na-eweta API nke Rotary oil rig drill bit 16 inch dị na ngwaahịa
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API Metal mechiri emechi mmanụ olulu tricone maka ịgba mbọ siri ike
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API petroleum tricone olulu mmiri maka ọrịre na ngwaahịa