Home / Standards / GB/T 44049-2024 GB/T 44049-2024 Active Construction machinery—Testing and calculation methods of basic energy consumption data in operational process 工程机械 运行能耗基础数据测试与计算方法 Standard Type GBT ICS 91.220 CCS Q90 Status 现行 Issue Date 2024-05-28 Implementation 2024-09-01 Responsible Dept 国家标准委 Drafting Unit N/A