Download: WP.29/1172 from UNECE: .pdf format .docx format
Download: WP.29/1172/Amend.1 from UNECE: .pdf format .docx format
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4.9.5. Proposal for Supplement 12 to UN Regulation No. 109 (Retreaded tyres for commercial vehicles and their trailers)

ECE/TRANS/WP.29/GRBP/75, based on ECE/TRANS/WP.29/GRBP/2023/4, GRBP-77-22 as amended by ECE/TRANS/WP.29/GRBP/75.

WP.29/2023/75 | UN R109: Proposal for Supplement 12