Anhui Provincial Standard of the People's Republic of China
Latest
DB3401/T 209-2020
Scope
This document establishes the basic requirements for "factory-network-river (lake)" urban drainage data collection, and stipulates the data collection content and requirements. This document is suitable for the collection of "factory-network-river (lake)" urban drainage data.
DB3401/T 209-2020 history
2020DB3401/T 209-2020 "Factory-Network-River (Lake)" Urban Drainage Data Acquisition Technical Specifications