Home / Standards / GB/T 39029-2020 GB/T 39029-2020 Active Technical specification of efficacy evaluation for removing of heavy metal by biological products 生物产品去除重金属功效评价技术规范 Standard Type GBT ICS 07.080 CCS A21 Status 现行 Issue Date 2020-07-21 Implementation 2021-02-01 Responsible Dept 国家标准委 Drafting Unit N/A