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3.
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Regulation No. 51 (Noise of M and N categories of vehicles)
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|
3. (a)
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Development
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|
3. (b)
|
New limit values
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|
3. (c)
|
Additional sound-emission provisions
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|
7. (b)
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Proposal for amendments to Regulations Nos. 28, 51, 59 and 117
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|
16. (b)
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Exchange of views for the future programme of work of GRB
|