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Isi mgbapu mmanụ mmanụ maka rotary rig maka nhazi siri ike
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Ụlọ ọrụ API nke na-egwupụta mmanụ maka olulu mmiri miri emi na ngwaahịa
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N'ogbe API oilfield ọma TCI tricone bit rụpụtara maka nhazi siri ike
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API na-egwupụta kol olulu mmiri IDC545 nwere ọnụ ahịa mbelata
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API Metal mining rock drill bits IAC532 maka nhazi siri ike
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Geological exploration rotary mining tricone drilling bits IAC415 maka ọrịre
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Ụlọ ọrụ API tricone nke gas na-egwupụta ihe maka olulu mmiri siri ike
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API fotary tricone bit IDC645 maka mkpọpu oghere mgbawa
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Ngwuputa ọla kọpa tungsten carbide hard rock rolelr trocpme bit IDC715
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Ụlọ ọrụ API nke TCI Ngwuputa nkume egwu egwu IDC725 9 7/8 ″
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API gold ore well tricone drill bits IAC622 9 ″ maka nkume siri ike
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HDD tricone rola cone ibe n'ibe igwe ejiri akara akara maka igwu mmiri