Home / Standards / GB/T 30052-2013 GB/T 30052-2013 Active Life cycle assessment specification on steel products(Product category rules) 钢铁产品制造生命周期评价技术规范(产品种类规则) Standard Type GBT ICS 13.020.10 CCS Z00 Status 现行 Issue Date 2013-12-17 Implementation 2014-05-01 Responsible Dept 国家标准委 Drafting Unit N/A