Search This Supplers Products:Downhole MotorDrill BitBreakout UnitScrew PumpMilling ShoeCasing Sidetracking
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API 7-1
Issuing authority : 美国石油协会
Valid period : 1900/1/1 - 1900/1/1
API 7-1
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ISO9001
Issuing authority : TUV
Valid period : 1900/1/1 - 1900/1/1
ISO9001-2008
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