Working Party on Noise and Tyres
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3-5 Sep 2025  · Geneva
Agenda All Documents Formal Informal Report
Filtered: UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance Remove filter
20 Jun 2025 GRBP/2025/26 UN R117: Proposal for a Supplement 4 to the 04 series of amendments (Japan)
23 Jun 2025 GRBP/2025/28 UN R117: Proposal for a Supplement 4 to the 04 series of amendments