Home / Standards / GB/T 20470-2006 GB/T 20470-2006 Abolished Requirements of external quality assessment for clinical laboratories 临床实验室室间质量评价要求 Standard Type GBT ICS 13.020;11.020 CCS C50 Status 废止 Issue Date 2006-09-01 Implementation 2007-02-01 Responsible Dept 国家卫生健康委 Drafting Unit N/A