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4.9.1. Proposal for Supplement 9 to the 03 series of amendments to UN Regulation No. 51 (Noise of M and N categories of vehicles)

ECE/TRANS/WP.29/GRBP/75, para. 9, based on GRBP-77-13-Rev.1.

WP.29/2023/71 | UN R51: Proposal for Supplement 9 to the 03 series of amendments
WP.29/2023/71 | UN R51: Proposal for Supplement 9 to the 03 series of amendments
WP.29/2023/71 | UN R51: Proposal for Supplement 9 to the 03 series of amendments
WP.29/2023/71 | UN R51: Proposal for Supplement 9 to the 03 series of amendments
WP.29/2023/71 | UN R51: Proposal for Supplement 9 to the 03 series of amendments
WP.29/2023/71 | UN R51: Proposal for Supplement 9 to the 03 series of amendments