Home / Standards / GB/T 24804-2023 GB/T 24804-2023 Active Rules for the improvement of safety of existing lifts 提高在用电梯安全性的规范 Standard Type GBT ICS 91.140.90 CCS Q78 Status 现行 Issue Date 2023-09-07 Implementation 2023-09-07 Responsible Dept 国家标准委 Drafting Unit N/A