Home / Standards / GB 21340-2019 GB 21340-2019 Active The norm of energy consumption per unit products for glass products and cast stone 玻璃和铸石单位产品能源消耗限额 Standard Type GB ICS 27.010 CCS F01 Status 现行 Issue Date 2019-10-14 Implementation 2020-05-01 Responsible Dept 国家标准委 Drafting Unit N/A