GB/T 1406.3-2008
AbolishedTypes and dimensions of lamp caps - Part 3：Prefocus caps
灯头的型式和尺寸 第3部分：预聚焦式灯头
Application Summary AI generated
This standard specifies the types, dimensions, and interchangeability requirements for prefocus lamp caps used in optical systems requiring precise filament or arc positioning. It is applied in the design and manufacturing of projection lamps, automotive headlights, and specialized lighting equipment where accurate light beam alignment is critical. The standard ensures consistent mechanical fit and optical performance across different manufacturers' products.
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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.