Proposal to amend the document GRB/2012/11
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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.

Reference Number: GRB-57-03
Origin: ETRTO
Date: 17 January 2013
Proposal Status: Superseded
Related Documents:
GRB/2012/11 | Proposal for Supplement 3 to the 02 series of amendments to Regulation No. 117
Working Party on Noise | Session 57 | 5-7 Feb 2013

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.