UN R117: Proposal for the 04 series of amendments
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Proposal to introduce a new definition of traction elements to characterize traction tyres.

Reference Number: GRBP/2022/17
Origin: ETRTO
Date: 16 June 2022
Proposal Status: Formal GR review
Related Documents:
GRBP-70-19 | New traction definition
GRBP-76-31 | UN R117: Proposal to amend the proposal for 04 series of amendments