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Ngwupu ala ọnụ ala IDC217 14 3/4 inch (374mm) maka nkume siri ike
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Ngwupu ala n'ùkwù IDC217 17.5 sentimita (444.5mm)
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Tricone drill bits IAC114 15.5 sentimita (394mm) na ngwaahịa
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Steel eze tricone bit factory IAC114 17.5 sentimita (444.5mm)
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Ngwunye cimenti IDC127 4 3/4 inch (120mm)
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API ahaziri mpe mpe mpe akwa IDC126 5 1/4 inch (133mm) maka nkume siri ike
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Iberibe nha nha maka igwu mmiri nke ọma IDC215 17.5 sentimita (444.5mm)
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Ọnụ ego mkpọpu tricone API IAC216 4 5/8 inch (118mm)
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Tricone dị omimi nke ọma IDC216 6 sentimita (152mm)
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API mkpọpu rig bits soplaya IDC216 5 3/4 inch (146mm)
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API triocne mkpọpu IDC125 17 1/2 inch (444.5mm)
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Isi mgbapu nke ọma API IDC126 7 1/2 inch (190.5mm)