Home / Standards / GB/T 37322-2026 GB/T 37322-2026 Upcoming Evaluation of gasoline cleanliness—Simulation test method for intake valve deposit (IVD) on gasoline engine 汽油清净性评价 汽油机进气阀沉积物模拟试验法 Standard Type GBT ICS 75.160.20 CCS E31 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 国家标准委 Drafting Unit N/A