Home / Standards / GB 15193.21 GB 15193.21 Abolished Principle for preparing test materials 受试物处理方法 Standard Type GB ICS 07.100.30 CCS C53 Status 废止 Issue Date 2003-09-24 Implementation 2003-05-01 Responsible Dept 国家卫生健康委 Drafting Unit 国家卫生健康委