API Spec 6A Addendum 1:2011

Заменен

Addendum 1 to Specification for Wellhead and Christmas Tree Equipment, Twentieth Edition (ISO 10423:2009 Modification), Includes Addenda 1(Nov 2011), 2 (Nov 2012), 3 (March 2013) — 7 стр.

Описание Изменения Ссылки Версии

Заменен на

API Spec 6A:2018

Тематика

Series 6: Valves and Wellhead Equipment