Home / Standards / GB/T 33973-2017 GB/T 33973-2017 Active Guides for energy efficiency assessment of raw material yard of iron and steel enterprise 钢铁企业原料场能效评估导则 Standard Type GBT ICS 77.080 CCS H04 Status 现行 Issue Date 2017-07-12 Implementation 2018-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A