GB 17509-1998
AbolishedPhotometric characteristics of direction indicators for motor vehicles and their trailers
汽车和挂车转向信号灯配光性能
Application Summary AI generated
This standard specifies the photometric requirements for direction indicator lamps on motor vehicles and their trailers, including light intensity distribution, color, and visibility angles. It is applied in the design, production, and type-approval testing of turn signal lighting systems to ensure they meet minimum safety and visibility standards for road use.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.