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API Spec 5B:1996

Заменен
Specification for Threading, Gauging, and Thread Inspection of Casing, Tubing, and Line Pipe Threads (US Customary Units) (Includes March 2004 Addendum) — 79 стр.
API Spec 5B:1996
Заменен
API Spec 5B:2008 (R2015)
Заменен
API Spec 5B:2017
Действует