API Spec 7K

API Spec 7K

Drilling and Well Servicing Equipment, Sixth Edition, Includes Errata 1 and 2 (2016), Errata 3 (2017)standard by American Petroleum Institute, 12/30/2015

API Std 16AR

API Std 16AR

Standard for Repair and Remanufacture of Drill-through Equipment, First Edition, Includes Errata 1 (2017)standard by American Petroleum Institute, 04/01/2017

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