Home / Standards / GB/T 21859-2025 GB/T 21859-2025 Active Determination of the auto ignition temperature of gas and vapor 气体和蒸气自燃温度的测定方法 Standard Type GBT ICS 13.300 CCS A80 Status 现行 Issue Date 2025-10-05 Implementation 2026-02-01 Responsible Dept 国家标准委 Drafting Unit N/A