UN Regulation No. 117
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Documents 2021 172 documents
21 Feb 2021 Temperature effects on tyre/road noise– presentations from the STEER project TFMU-09-02
19 Feb 2021 Noise measurement uncertainties: Draft heavy commercial vehicle calculation sheet TFMU-08-04
19 Feb 2021 Draft agenda for the 9th TFMU task force session TFMU-09-01
17 Feb 2021 Draft agenda for the 18th Worn Tyres working group session WT-18-01
1 Feb 2021 Draft list of main decisions during the 73rd (January 2021) GRBP session GRBP/28/Rev.1
29 Jan 2021 Working group on Worn Tyres: Proposal for revised terms of reference (EC, ETRTO, France) GRBP-73-27/Rev.1
29 Jan 2021 Priorities of the Working Party on Noise and Tyres (GRBP) GRBP-73-24
29 Jan 2021 Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres (ETRTO) GRBP-73-22
21 Jan 2021 UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres (ETRTO) GRBP-73-19
21 Jan 2021 Status report of the Worn Tyres working group GRBP-73-18
21 Jan 2021 Revised terms of reference for the Sound Measurement Uncertainties informal group GRBP-73-16
21 Jan 2021 ETRTO Tyre Performance Study (ETRTO) GRBP-73-11
21 Jan 2021 Proposal to amend the Worn Tyres working group terms of reference (ETRTO) GRBP-73-08
20 Jan 2021 Draft Worn Tyres working group status report to GRBP WT-17-07
20 Jan 2021 Attendance list from the 17th Worn Tyres working group session WT-17-06
20 Jan 2021 Status of the Worn Tyres working group work plan WT-17-04
19 Jan 2021 SRTT 16" tread depth wear evolution measurements WT-16-03/Rev.3
14 Jan 2021 Draft agenda for the 17th Worn Tyres working group session WT-17-01
5 Jan 2021 Surface roughness studies on buffed tires: Lateral Scanning vs Circumferential Scanning (JATMA) WT-17-03
5 Jan 2021 Draft minutes of the 11 December WGWT working group session with test centers WT-17-02
5 Jan 2021 SRTT 16" tread depth wear evolution measurements WT-16-03/Rev.2
4 Jan 2021 Proposal to amend the Worn Tyres informal working group Terms of Reference (EC) GRBP-73-02
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