Home / Standards / GB/T 17475-2020 GB/T 17475-2020 Active Standard test method for distillation of heavy hydrocarbon mixtures—Vacuum potstill method 重烃类混合物蒸馏试验 真空釜式蒸馏法 Standard Type GBT ICS 75.080 CCS E30 Status 现行 Issue Date 2020-03-31 Implementation 2020-10-01 Responsible Dept 国家标准委 Drafting Unit N/A