Home / Standards / GB 21350-2023 GB 21350-2023 Active The norm of energy consumption per unit production of wrought copper and copper alloy 铜及铜合金加工材单位产品能源消耗限额 Standard Type GB ICS 27.010 CCS F01 Status 现行 Issue Date 2023-05-23 Implementation 2024-06-01 Responsible Dept 国家标准委 Drafting Unit N/A