Home / Standards / GB/T 23899 GB/T 23899 Active Test and calculation methods of energy consumption for forestry enterprises 林业企业能耗测试与计算方法 Standard Type GBT ICS 65.020.99 CCS F10 Status 现行 Issue Date 2020-12-14 Implementation 2021-07-01 Responsible Dept 国家林草局 Drafting Unit 国家林草局