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Proposal to amend the document GRB/2012/11

Document GRB-57-03

17 January 2013

57th GRB session (5-7 Feb 2013)

Amendments to the proposal to amend the snow test method for C3 tyres in order to prescribe the wider of the possible speed ranges. Corrects wording to replace “blocking differential” with “differential lock” and mandatory use of differential lock in certain cases.

Submitted by ETRTO

Status: Superseded

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Previous Documents, Discussions, and Outcomes

57th GRB session (5-7 Feb 2013)

6. | Regulation No. 117 (Tyre rolling noise and wet grip adhesion)

15. GRB resumed discussion on ECE/TRANS/WP.29/GRB/2012/11, amended by GRB-57-03. The expert from EC expressed reservation on the term of differential lock that could lead to misconception. GRB endorsed the reservation of the expert from EC and agreed to inform GRRF.

56th GRB session (3-5 Sep 2012)

Reference Number:	GRBP-TFAVRS-05-03/Rev.1
Meeting Session(s):	5th GRBP-TFAVRS session (17 Jul)
Document date:	17 Jul 24
Regarding:	UN R138 Quiet Road Transport Vehicles \| Regulation Screening for ADS

Reference Number:	GRBP-TFAVRS-05-05
Meeting Session(s):	5th GRBP-TFAVRS session (17 Jul)
Document date:	17 Jul 24
Regarding:	Regulation Screening for ADS

Reference Number:	GRBP-TFAVRS-05-02
Meeting Session(s):	5th GRBP-TFAVRS session (17 Jul)
Document date:	17 Jul 24
Regarding:	Regulation Screening for ADS

Reference Number:	GRBP-TFAVRS-05-01/Rev.1
Meeting Session(s):	5th GRBP-TFAVRS session (17 Jul)
Document date:	17 Jul 24
Regarding:	Regulation Screening for ADS

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