Home / Standards / GB/T 38220-2019 GB/T 38220-2019 Active Technical requirements of assessment for high efficiency water pollutants control equipment—Rotary aerator 高效能水污染物控制装备评价技术要求 旋转曝气机 Standard Type GBT ICS 13.030.40 CCS J88 Status 现行 Issue Date 2019-10-18 Implementation 2020-05-01 Responsible Dept 国家发展改革委 Drafting Unit N/A