SL/T 4-2020
Technical specifications for farmland drainage engineering (English Version)

Standard No.

SL/T 4-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

水利部

Latest

SL/T 4-2020

Replace

SL 4-2013

SL/T 4-2020 history

• 2020 SL/T 4-2020 Technical specifications for farmland drainage engineering
• 2013 SL 4-2013 Technical code for farmland drainage project
• 1999 SL/T 4-1999 Technical code for farmland drainage project