GSO 99:1988
Gulf Technical Regulation
Current Edition
·
Approved on
26 November 1988
·
Edition
1
ROAD VEHICLES – SOUND SIGNALLING DEVICES -TECHNICAL SPECIFICATIONS
GSO 99:1988 Files
Arabic
8 Pages
Current Edition
Reference Language
9.0 OMR
English
6 Pages
Current Edition
8.0 OMR
GSO 99:1988 Scope
This standard is concerned with the acoustic properties, such as the spectral distribution of acoustic energy, the sound pressure level, and also the test conditions of sound signalling devices which can be mounted on self-propelled vehicles, (mopeds included) and function by means of an electrical current; (electro-pneumatic sound signalling devices are included).
This standard also covers sound signalling devices operated directly by compressed air.
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