NEN ISO 4148 : 2004
Current
The latest, up-to-date edition.
ROAD VEHICLES - SPECIAL WARNING LAMPS - DIMENSIONS
12-01-2013
Defines the dimensions of special warning lamps for road vehicles, in order to ensure interchangeability and accurate positioning, bearing in mind the rapid change of light intensity from such devices in a vertical cross-section of the projected beam. It also specifies methods for testing the magnetic-base mountings used to install special warning lamps directly on the steel sheet of the roof or body of a vehicle.
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