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UN Regulation No. 22
Helmets and Visors
Overseen by GRSP
Revisions
UN R22: Revision 4
UN R22: Revision 4 reproduces the following amendment(s):
05 series of amendments (30 Jun 2000)
05 series of amendments | Corrigendum 1 (27 Jun 2000)
05 series of amendments | Corrigendum 2 (13 Mar 2001)
05 series of amendments | Corrigendum 3 (23 Aug 2001)
05 series of amendments | Supplement 1 (20 Feb 2002)
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