SY/T 7665-2022
Technical conditions for alloy coating on drill pipe inner surface (English Version)

Standard No.

SY/T 7665-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

国家能源局

Latest

SY/T 7665-2022

SY/T 7665-2022 history

• 2022 SY/T 7665-2022 Technical conditions for alloy coating on drill pipe inner surface