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API TCI tricone rock mpupu bit IAC417 6″(152mm) maka olulu mmiri siri ike
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Tricone rock bit IDC417 8 1/2"(215.9mm)
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API olulu mmiri nke ọma IDC417 12 1/4 "(311mm) maka nkume siri ike
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TCI tricone bit IDC417 17.5"(444.5mm)
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API tricone drill bit IAC437 6″(152mm) maka igwu mmiri
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TCI tricone bit IDC437 12 1/4" (311mm) maka igwu mmiri.
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Ụlọ ọrụ API nke rock roller cones ibet IAC437 8.5 ″ maka mkpọpu mmiri
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Rotary mkpọpu bit IDC447 6.5 sentimita (165mm)
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TCI tricone bit IDC447 8 1/2 sentimita (215.9mm)
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API Rotary Roller drill bit IDC517 4.5 sentimita (114mm) na ngwaahịa
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Bọtịnụ bọtịnụ IDC517 118mm maka igwu mmiri nke ọma nke geothermal.
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Ụlọ ọrụ API nke rotary roller bit IDC517 4 3/4" (120mm)