GB/T 20657-2006

Petroleum and natural gas industries—Formulae and calculation for casing, tubing, drill pipe and line pipe properties

NORMA vydaná dňa 15.12.2006

The information about the standard:

Designation standards: GB/T 20657-2006
Note: NEPLATNÁ
Publication date standards: 15.12.2006
Country: Chinese technical standard
Kategória: Technické normy GB