Home / Standards / GB/T 29157-2012 GB/T 29157-2012 Active Production life cycle assessment specification for float glass(Product category rules) 浮法玻璃生产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 2012-12-31 Implementation 2013-10-01 Responsible Dept 国家标准委 Drafting Unit N/A