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API Spec 7-1 (R2015) Addendum 4
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API Spec 7-1 (R2015) Addendum 4 Addendum to Specification for Rotary Drill Stem Elements, First Edition -- Identical to ISO 10424-1:2004
Amendment by American Petroleum Institute, 02/01/2019
M00008778
2021-02-15
New product
API Spec 7-1 (R2015) Addendum 4 Addendum to Specification for Rotary Drill Stem Elements, First Edition -- Identical to ISO 10424-1:2004
Amendment by American Petroleum Institute, 02/01/2019