Home / Standards / GB/T 257-1964 GB/T 257-1964 Abolished Determination of saturated vapor pressure of engine fuels(Reid method) 发动机燃料饱和蒸气压测定法 (雷德法) Standard Type GBT ICS 75.160.20 CCS E31 Status 废止 Issue Date 1964-04-04 Implementation 1964-10-01 Responsible Dept 国家标准委 Drafting Unit N/A