Home / Standards / GB/T 15512-2009 GB/T 15512-2009 Active Technical guides for evaluating the saving of iron and steel product in enterprise 评价企业节约钢铁材料技术导则 Standard Type GBT ICS 77.020 CCS H01 Status 现行 Issue Date 2009-04-08 Implementation 2009-12-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委 🔗 Related Standards / 同类标准 GB/T 4134-2021 Gold ingots GB/T 45164-2024 Classification and designation of defects in investment castings GB 21248-2007 The norm of energy consumption per unit products of copper metallurgical enterprise