Home / Standards / HJ 212-2017 HJ 212-2017 Abolished 污染物在线监控（监测）系统数据传输标准 Standard Type HJ21 ICS N/A CCS N/A Status Abolished Issue Date 2017-04-24 Implementation 2017-05-01 Centralized Committee 生态环境部 Issuing Authority 生态环境部