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API RP 941 Addendum 1:2020

Действует
Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum Refineries and Petrochemical Plants, Eighth Edition, Includes Errata 1 (2016), Errata 2 (2018), and Addendum 1 (2020) — 2 стр.
API RP 941 Addendum 1:2020
Действует