Home / Standards / GB/T 9168-2025 GB/T 9168-2025 Active Determination of distillation range of petroleum products—Vacuum distillation method 石油产品馏程的测定 减压蒸馏法 Standard Type GBT ICS 75.080 CCS E30 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A