API Spec 7-2:2017

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Specification for Threading and Gauging of Rotary Shouldered Thread Connections, Second Edition, Includes Errata (2017), Errata 2 (2019), and Addendum 1 (2020) — 125 стр.

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API Spec 7-2 Addendum 1:2020

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Addendum to Specification for Threading and Gauging of Rotary Shouldered Thread Connections, Second Edition — 8 стр.

API Spec 7-2 Errata 2

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Errata to Specification for Threading and Gauging of Rotary Shouldered Thread Connections, Second Edition — 2 стр.

API Spec 7-2 Errata:2017

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Errata to Specification for Threading and Gauging of Rotary Shouldered Thread Connections, Second Edition — 4 стр.