Home / Standards / GB/T 27424-2020 GB/T 27424-2020 Active Conformity assessment—Specification for biological quality control materials without metrological traceability 合格评定 非可溯源生物质控品质量控制规范 Standard Type GBT ICS 03.120.20 CCS A00 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 国家标准委 Drafting Unit N/A