Home / Standards / GB/T 40120-2021 GB/T 40120-2021 Active Agricultural irrigation equipment—Thermoplastic collapsible hoses for irrigation—Specifications and test methods 农业灌溉设备 灌溉用热塑性可折叠软管 技术规范和试验方法 Standard Type GBT ICS 65.060.35 CCS B91 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A