DB31/T 991-2023
Energy consumption quota per unit product of asphalt mixture (English Version)

Standard No.

DB31/T 991-2023

Language

Chinese, Available in English version

Published By

Shanghai Provincial Standard of the People's Republic of China

Latest

DB31/T 991-2023

Replace

DB31/T 991-2016

DB31/T 991-2023 history

• 1970 DB31/T 991-2023 Energy consumption quota per unit product of asphalt mixture
• 2016 DB31/T 991-2016 The norm of comprehensive energy consumption per unit product of asphalt mixture