Home / Standards / GB/T 34345-2017 GB/T 34345-2017 Active Technical guidelines of circular economy performance evaluating 循环经济绩效评价技术导则 Standard Type GBT ICS 13.020.20 CCS Z04 Status 现行 Issue Date 2017-10-14 Implementation 2018-05-01 Responsible Dept 市场监管总局 Drafting Unit N/A