DB23/T 2565-2020
Standardized Technical Rules for Maintenance Engineering of Expressway Traffic Safety Facilities (English Version)

Standard No.

DB23/T 2565-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

Heilongjiang Provincial Standard of the People's Republic of China

Latest

DB23/T 2565-2020

DB23/T 2565-2020 history

• 2020 DB23/T 2565-2020 Standardized Technical Rules for Maintenance Engineering of Expressway Traffic Safety Facilities