DB64/T 242.1-2017 Technical Specifications for Comprehensive Control of Soil and Water Erosion in Small Watersheds Part 1: Soil and Water Conservation Farming Techniques (English Version)
Ningxia Provincial Standard of the People's Republic of China
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DB64/T 242.1-2017
Replace
DB64/T 242.1-2000
DB64/T 242.1-2017 history
2017DB64/T 242.1-2017 Technical Specifications for Comprehensive Control of Soil and Water Erosion in Small Watersheds Part 1: Soil and Water Conservation Farming Techniques