GB/T 20657-2022

Petroleum and natural gas industries—Formulae and calculations for the properties of casing, tubing, drill pipe and line pipe used as casing or tubing

NORMA vydána dne 30.12.2022

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The information about the standard:

Designation standards: GB/T 20657-2022
Publication date standards: 30.12.2022
Country: Chinese technical standard
Kategorie: Technické normy GB