Home / Standards / GB/T 2539-2008 GB/T 2539-2008 Abolished Petroleum waxes - Determination of melting point-cooling curve method 石油蜡熔点的测定 冷却曲线法 Standard Type GBT ICS 75.140 CCS E42 Status 废止 Issue Date 2008-05-12 Implementation 2008-09-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委