Home / Standards / GB/T 39161-2020 GB/T 39161-2020 Active General rules for drafting the guidelines for industrial circular economy practical technologies 行业循环经济实践技术指南编制通则 Standard Type GBT ICS 13.030.99 CCS Z00 Status 现行 Issue Date 2020-10-11 Implementation 2021-05-01 Responsible Dept 国家标准委 Drafting Unit N/A