Home / Standards / GB/T 17808-2021 GB/T 17808-2021 Active Road construction and maintenance machinery and equipment—Asphalt mixing plant 道路施工与养护机械设备 沥青混合料搅拌设备 Standard Type GBT ICS 91.220 CCS P97 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A