YB/T 4869-2020
Energy efficiency limit value and energy efficiency grade of steel rolling heating furnace (English Version)

Standard No.

YB/T 4869-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

工业和信息化部

Latest

YB/T 4869-2020

YB/T 4869-2020 history

• 2020 YB/T 4869-2020 Energy efficiency limit value and energy efficiency grade of steel rolling heating furnace