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联合国(UN)标准- 仅供英语

vices for Indirect Vision -Revision of definitions -Revision of requirements -Revision of procedure for determining the radius of curvature of the mirror's reflective surface. -Addition of transitional provisions. 4 Adopted proposalregardingUNregulation 48 09 S2 WP.29/2025/117 2025/11/12 2026/6/4 Installation of Lights -Provisions to add descriptions about the additional definition of the reverse light road surface drawing (reverse projection d...

法规认证 2026/04/21 更新

Trends on Harmonization of Vehicle Standards at UN

eedometer and Odometer UN 40 Exhaust Emission (Motor Cycle) UN 41 Noise (Motor Cycle) UN 42 Front and Rear Protective Devices UN 43 Safety Glazing Materials UN 44 Child Restraint Systems UN 45 Headlamp Cleaners UN 46 Devices for Indirect Vision UN 47 Exhaust Emission (Moped) UN 48 Installation of Lights UN 49 Emissions of Compression Ignition and Positive Ignition Engines UN 50 Lights (Moped, Motor Cycle) UN 51 Noise UN ...

法规认证 2026/02/20 更新

Emission Standards - USA (Federal) Passenger Cars & Light Duty Trucks

aph and a tabulated representation of the SRC with road speeds and times. Standard bench-aging durability procedure : this procedure is not applicable to diesel fuelled vehicles or vehicles which do not use a catalyst as the principle after-treatment emission control device. This procedure requires installation of the catalyst-plus-oxygen-sensor system on a catalyst aging bench. Aging on the bench is conducted by following the Standard Bench Cycl...

法规认证 2024/12/13 更新

How to access to Working Documents of UN regulations

ents Reference to Working Documents GR Working Documents of UN regulations are draft documents of UN Regulations submitted by countries or organizations prior to discussions at WP29. Adobe Reader is required for reading PDF documents. Click here to download Adobe Reader offered free of charge for installation in your computer. On the top page of UN/ECE (https://unece.org/) select "Transport." On the "Transport" page, select "Vehicle Regul...

法规认证 2022/04/14 更新