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Road vehicles — Aerosol separator performance test for internal combustion engines — Part 2: Laboratory test method
90.92 Standard to be revised
Road vehicles — Aerosol separator performance test for internal combustion engines — Part 3: Method to perform engine gravimetric test
90.60 Close of review
Road Vehicles — Aerosol separator performance test for internal combustion engines — Part 5: Engine fractional efficiency test method and upstream distribution sampling method
90.93 Standard confirmed
Road vehicles — Inlet air cleaning equipment for internal combustion engines and compressors — Part 1: Fractional efficiency testing with fine particles (0,3 µm to 5 µm optical diameter)
90.93 Standard confirmed
Road vehicles — Inlet air cleaning equipment for internal combustion engines and compressors — Part 2: Fractional efficiency testing with coarse particles (5 µm to 40 µm optical diameter)
90.93 Standard confirmed
Nanotechnologies — Nanostructured porous alumina as catalyst support for vehicle exhaust emission control — Specification of characteristics and measurement methods
90.20 Standard under periodical review