Home / Standards / GB/T 28742-2025 GB/T 28742-2025 Active Technical specification for safety of sewage treatment equipment 污水处理设备安全技术规范 Standard Type GBT ICS 13.030.40 CCS J88 Status 现行 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A