UN Regulation No. 20: H4 Halogen Headlamps

Uniform Provisions Concerning the Approval of Motor Vehicle Headlamps Emitting an Asymmetrical Passing Beam or a Driving Beam or Both and Equipped with Halogen Filament Lamps (H4 Lamps)

Related groups: GRE
UN R20: Revision 3 (2006)
10 Oct 2006 2011-01-04 17:41:18 UTC 02 series of amendments | Supplement 4 02 series of amendments | Supplement 5 02 series of amendments | Supplement 3 | Corrigendum 1 02 series of amendments | Supplement 6 03 series of amendments
Earlier texts may be available through the UN Official Document System.