DB31/ 2-1989
General-purpose low-carbon steel wire comprehensive energy consumption quota (English Version)

Standard No.

DB31/ 2-1989

Language

Chinese, Available in English version

Published By

Shanghai Provincial Standard of the People's Republic of China

Latest

DB31/ 2-1989

DB31/ 2-1989 history

• 1970 DB31/ 2-1989 General-purpose low-carbon steel wire comprehensive energy consumption quota