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5 May 2017
|
Vehicle noise standards system of China (China)
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ASEP II-02-10
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2017-05-05 |
China |
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4 Nov 2018
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ASEP daatabase: All vehicles (China)
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ASEP II-10-04
|
2018-11-04 |
China |
|
4 Nov 2018
|
ASEP informal group tyre rolling sound public database (China)
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ASEP II-10-05
|
2018-11-04 |
China |
|
4 Nov 2018
|
ASEP informal group stationary sound public database (China)
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ASEP II-10-06
|
2018-11-04 |
China |
|
15 Apr 2019
|
Study on ASEP sound model parameters (China)
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ASEP II-11-07
|
2019-04-15 |
China |
|
25 Jul 2019
|
UN R51: Annex 7 amendment (China)
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ASEP II-12-10/Rev.1
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2019-07-25 |
ASEP II informal group draft amendments to the annex on "Measuring method to evaluate compliance with the Real Driving Additional Sound Emission Provisions (RD-ASEP)" based upon original China proposal. China |
|
17 Mar 2022
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UN R51: Proposal for an amendment to 03 series of amendments (China)
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ASEP II-17-06
|
2022-03-17 |
China |
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17 Mar 2022
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ASEP: Proposal for micro-vans and micro-trucks (China)
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ASEP II-17-07
|
2022-03-17 |
China |
|
2 Feb 2012
|
Proposal for draft amendments to Regulation No. 51 - 03 series (China)
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GRB-55-04
|
2012-02-02 |
Proposal for changes to the definitions of vehicle type (adding tire dimensions), 'pre-acceleration', and reference points (para. 2.11) and to the Annex 10 test procedures for medium to heavy vehicles. China |
|
22 Aug 2012
|
Proposal for draft amendments to Regulation No. 51 (China)
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GRB-56-06
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2012-08-22 |
Proposed revisions to the Annex 3 test procedures and interpretation of resulting data. China |
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22 Aug 2012
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Proposal for new sound limit values in the draft 03 series of amendments to UN R51 (China)
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GRB-56-07
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2012-08-22 |
Proposal for additional limit values based upon vehicle configuration. China |
|
28 Aug 2012
|
Proposal for new UN Regulation No. 51 test method applicable to all vehicles (China)
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GRB-56-09
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2012-08-28 |
Proposal to revise UN R51 test procedures based on methodologies developed for Chinese regulation GB1495. China |
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10 Sep 2012
|
Summary of Chinese opinions on the test method for vehicle noise (China)
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GRB-56-22
|
2012-09-10 |
Chinese views concerning the test methodology for new limit values under UN Regulation No. 51 on vehicle noise. China |
|
31 Jan 2013
|
Proposal of amendments to document GRB/2013/4 (China)
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GRB-57-13
|
2013-01-31 |
Proposal of two options for inserting provisions on tire dimensions into the amendment proposed in document GRB/2013/4 to revise the Annex 3 test procedures and interpretation of resulting data. China |
|
30 Aug 2013
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Comments on Japanese noise-limit value suggestion of commercial vehicles (China)
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GRB-58-08
|
2013-08-30 |
China comments on Japanese proposal concerning vehicle categories and noise-limit values. China |
|
30 Aug 2013
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Noise limit values in draft Chinese regulation GB 1495 and UN R51 values (China)
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GRB-58-09
|
2013-08-30 |
China |
|
7 Sep 2016
|
Implementation of the 03 series of amendments to Regulation No. 51 in China (China and CATARC)
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GRB-64-24
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2016-09-07 |
China CATARC |
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2 Feb 2017
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China research on M3 subcategories under UN Regulation No. 51-03 series (China and CATARC)
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GRB-65-02
|
2017-02-02 |
China CATARC |
|
5 Sep 2017
|
Proposal for amendments to Regulation No.51.03 (China)
|
GRB-66-19
|
2017-09-05 |
Proposal to<ol class="alpha"><li>harmonize the definitions of v<sub>BB'</sub> in UN R51</li><li>clarify the scope of Annex 1, Appendix 2, paragraph 5 by substituting "Running" for "Suspension" to describe the system addressed</li><li>clarify the procedures for particular cases under Annex 3.</li></ol> China |
|
5 Sep 2017
|
Noise problems and driving conditions in China based on R51.03 (China and CATARC)
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GRB-66-21
|
2017-09-05 |
China CATARC |
|
22 Jan 2018
|
Suggestions for the development of UN R51 (CATARC and China)
|
GRB-67-07
|
2018-01-22 |
CATARC China |
|
28 Aug 2018
|
UN R51.03: Comments on tyre selection (China and CATARC)
|
GRB-68-02
|
2018-08-28 |
China CATARC |
|
20 Nov 2012
|
Proposal for Supplement 9 to the 02 series of amendments to Regulation No. 51 (China)
|
GRB/2013/4
|
2012-11-20 |
Proposed revisions to the Annex 3 test procedures and interpretation of resulting data. This is based upon informal document GRB-56-06. China |
|
8 Feb 2022
|
UN R51: Proposal for amendment to 03 series of amendments (China)
|
GRBP-75-40
|
2022-02-08 |
China |
|
8 Feb 2022
|
UN R51: Presentation on proposal to amend 03 series of amendment (China)
|
GRBP-75-41
|
2022-02-08 |
Proposal to change the date of compliance for category N1 or for vehicle types of category M1 derived from N1 China |
|
2 Sep 2022
|
UN R51: Research on Measurement Methods for LDV & HDV in Multiple Driving Mode Conditions (CATARC and China)
|
GRBP-76-29
|
2022-09-02 |
CATC Data Study and Measurement Methods Research CATARC China |
|
31 Aug 2021
|
UN R51: Comparison of 03 series, Supplements 3 and 6, and draft 04 series of amendments (China)
|
n.a.
|
2021-08-31 |
China |