Home / Standards / GB/T 12576-1997 GB/T 12576-1997 Active Liquified petroleum gases--Calculation of vapour pressure and relative density and octane number 液化石油气蒸气压和相对密度及辛烷值计算法 Standard Type GBT ICS 75.160.30 CCS E30 Status 现行 Issue Date 1997-06-16 Implementation 1997-12-01 Responsible Dept 国家标准委 Drafting Unit N/A