Home / Standards / GB 21549-2008 GB 21549-2008 Active Laboratory glassware - Safe requirement of heat resisting glassware 实验室玻璃仪器 玻璃烧器的安全要求 Standard Type GB ICS 71.040.01 CCS N64 Status 现行 Issue Date 2008-03-24 Implementation 2009-03-01 Responsible Dept 工业和信息化部 Drafting Unit N/A