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联合国(UN)标准- 仅供英语
"H11/LED/6". -Clarification of luminous flux measurements of dual filament light sources with internal shielding for cutoff formation and applicable light source (H4, H15, H17, H19, HS1). -Clarification of the g value of the bulb axis and filament axis (H7, H8, H11, H14, H16, H18, H19, H20, H27W, P21/5W, S1, S2, WY21W). -Clarification of the definition of the light source centre of the LED light source LR4 and the measurement method for LCL (di...
法规认证 2025/06/24 更新