Home / Standards / GB/T 20203-2017 GB/T 20203-2017 Active Technical specification for irrigation projects with pipe conveyance 管道输水灌溉工程技术规范 Standard Type GBT ICS 93.160 CCS P57 Status 现行 Issue Date 2017-11-01 Implementation 2017-11-01 Responsible Dept 水利部 Drafting Unit N/A