Henan Provincial Standard of the People's Republic of China
Latest
DB4110/T 37-2021
Scope
This document stipulates the basic principles, planning layout, transportation and related facilities, and management specifications of the 15-minute low-carbon travel circle.
DB4110/T 37-2021 history
2021DB4110/T 37-2021 15-minute low-carbon travel circle for basic public services in cities and countries