NATIONAL STANDARD OF PEOPLE’S REPUBLIC OF CHINA
Photometric characteristics of devices for the illumination of
rear registration plates of motor vehicles and their trailers
GB 18408-2001
1. Scope
This standard specifies general requirements, photometric and colorimetric characteristics as
well as testing and inspecting methods, and inspection rules for the rear registration plate
illuminating devices used on motor vehicles and their trailers.
This standard applies to the rear registration plate illuminating devices (hereinafter called
"illuminating device") used on motor vehicles and their trailers.
This standard does not apply to special purpose vehicles.
2. Normative References
The following normative documents contain provisions which, through reference in this text,
constitute provision of this standard. At the time of publication, the editions indicated were
valid. All standards are subject to revisions, and parties to agreements based on this standard
are encouraged to investigate the possibility of applying the most recent edition of the
normative documents indicated below.
GB4785-1998 Prescription for installation of the external lighting and light signalling
devices for motor vehicles and their trailers
-1995 Lamps for road vehicles ---- Dimensional, electrical and luminous
requi
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