GAR | WP.29-190

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4.9.6. Proposal for Supplement 1 to the 04 series of amendments to UN Regulation No. 117 (Tyre rolling resistance, rolling noise and wet grip)

ECE/TRANS/WP.29/GRBP/75, based on ECE/TRANS/WP.29/GRBP/2023/5, as amended by GRBP-77-32, and ECE/TRANS/WP.29/GRBP/2023/8.