Home / Standards / GB/T 28920-2012 GB/T 28920-2012 Active Operation and management for dangerous solids and liquids in educational experiments 教学实验用危险固体、液体的使用与保管 Standard Type GBT ICS 03.180 CCS Y51 Status 现行 Issue Date 2012-10-12 Implementation 2013-02-01 Responsible Dept 教育部（基础） Drafting Unit 教育部（基础）