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