DB33/T 2450.1-2022 Technical specifications for the construction of "Zero Direct Sewage Discharge Area" in cities and towns Part 1: General Provisions (English Version)
Zhejiang Provincial Standard of the People's Republic of China
Latest
DB33/T 2450.1-2022
DB33/T 2450.1-2022 history
2022DB33/T 2450.1-2022 Technical specifications for the construction of "Zero Direct Sewage Discharge Area" in cities and towns Part 1: General Provisions