Home / Standards / GB/T 21844-2008 GB/T 21844-2008 Active Standard test method for concentration limits of flammability of chemicals (vapors and gases) 化合物(蒸气和气体)易燃性浓度限值的标准试验方法 Standard Type GBT ICS N/A CCS A80 Status 现行 Issue Date 2008-05-12 Implementation 2008-09-01 Responsible Dept 国家标准委 Drafting Unit N/A