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16 Feb 2010
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Proposal for amendments to document GRB-2010-03 (Japan)
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GRB-51-23
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2010-02-16 |
Japan |
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25 May 2010
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Revised proposal for amendments to document GRB-2010-03 (Japan)
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GRB-51-23/Rev.1
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2010-05-25 |
Japan |
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28 Jan 2015
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Proposal for amendments to Regulation No. 117 (Japan)
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GRB-61-06
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2015-01-28 |
Proposal from Japan, pursuant to the discussion of document GRB/2014/8 during the previous GRB session, to correct perceived inconsistencies in time measurement accuracy in annex 6. Japan |
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31 Aug 2016
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Japan remarks on the list of subjects for future consideration by the Working Party on Noise (Japan)
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GRB-64-10
|
2016-08-31 |
Japan |
|
13 Sep 2018
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Snow tyres provisions: status report (BIPAVER, ETRTO, Finland, France, Germany, Russia, and Japan)
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GRB-68-23
|
2018-09-13 |
BIPAVER ETRTO Finland France Germany Russia Japan |
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30 Aug 2022
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UN R117: Proposal for amendments to the 04 series of amendments (Japan)
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GRBP-76-17
|
2022-08-30 |
Proposal introduces a new definition for taxi tyres and establishes different threshold from other tyres. Japan |
|
30 Aug 2022
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UN R117: Presentation on the introduction of new class C1 Taxi tyre (Japan)
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GRBP-76-18
|
2022-08-30 |
Japan |
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24 Jan 2024
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UN R117: Proposal for amendment to Supplement 16 to 02 series of amendments (Japan)
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GRBP-79-07
|
2024-01-24 |
Japan |
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24 Jan 2024
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UN R117: Proposal for Supplement 2 to the 03 Series of amendments (Japan)
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GRBP-79-08
|
2024-01-24 |
Japan |
|
24 Jan 2024
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UN R117: Proposal for Supplement 16 to 02 Series of amendments (Japan)
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GRBP-79-09
|
2024-01-24 |
Japan |
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24 Jan 2024
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UN R117: Proposal for amendments to GRBP/2024/6, 7 and 9 (Japan)
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GRBP-79-10
|
2024-01-24 |
Japan |
|
15 Nov 2019
|
UN R117: Proposal for a Supplement to the 02 series of amendments (Japan)
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GRBP/2020/6
|
2019-11-15 |
Proposal to adapt the rolling-sound measurement procedures to accommodate special C2 tyres presenting a section width wider than 200 mm, aspect ratio lower than 55, rim diameter code lower than 15 and without any dual fitting indication (i.e. the front size 175/75R15 LT and the rear size 235/50R14 LT or the front size 175/75R15 LT and the rear size 265/50R14 LT). Japan |
|
20 Jun 2025
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UN R117: Proposal for a Supplement 4 to the 04 series of amendments (Japan)
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GRBP/2025/26
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2025-06-20 |
Proposal to clarify tyre abrasion provisions, including to add an ice temperature range of -5°C to -2°C to the test conditions for ice grip tyres. Japan |
|
13 May 2021
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Comments on the draft Sound Limits task force guidelines (Japan)
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TFSL-02-03/Rev.1
|
2021-05-13 |
Japan |
|
5 Apr 2022
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Results of simulation studies on reducing automobile noise by tightening regulations (Japan)
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TFVS-08-04/Rev.1
|
2022-04-05 |
Japan |
|
18 Oct 2019
|
Worn tyres: Japan test campaign (Japan)
|
WT-04-03
|
2019-10-18 |
Japan |
|
13 Feb 2020
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Japan comments on report of the 8th Worn Tyres working group session (Japan)
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WT-09-01
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2020-02-13 |
Japan |
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9 Sep 2021
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Proposal for amendments to the Worn Tyres working group terms of reference (Japan)
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WT-26-08
|
2021-09-09 |
Japan |
|
8 Nov 2021
|
Worn tyres: Position on ETRTO Proposal for Correction Equations (Revision 2) (Japan)
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WT-29-02
|
2021-11-08 |
Japan |
|
27 Jan 2022
|
UN R117: Proposal to amend document WP.29/2022/11 on worn tyres (Japan)
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WT-34-06
|
2022-01-27 |
Japan |
|
23 May 2022
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UN R117: Proposal for Standard Reference Test Tyre (SRTT) in worn state (Japan)
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WT-40-03
|
2022-05-23 |
Japan |
|
25 May 2022
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Proposal for C2/C3 tyre wet grip in worn state (Japan)
|
WT-40-04
|
2022-05-25 |
Japan |
|
6 Feb 2025
|
Wet Grip on Worn Tyres: Comments on the proposed revisions to the terms of reference (Japan)
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WT-66-02
|
2025-02-06 |
Japan |