Home / Standards / GB/T 37894-2019 GB/T 37894-2019 Active Technical requirements for ozone generator for water and wastewater treatment 水处理用臭氧发生器技术要求 Standard Type GBT ICS 91.140.60 CCS P41 Status 现行 Issue Date 2019-08-30 Implementation 2020-07-01 Responsible Dept 住房城乡建设部 Drafting Unit N/A