Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 31887.5-2023 |
Bicycles - Lighting and retro-reflective devices - Part 5: Non-generator powered lighting systems for bicycles {译} 自行车 照明和回复反射装置 第5部分:自行车非发电机供电的照明系统 |
China National Standards Bicycles Lighting retro |
English PDF |
GB/T 31887.4-2023 |
Bicycles - Lighting and retro-reflective devices - Part 4: Lighting systems powered by bicycle generators {译} 自行车 照明和回复反射装置 第4部分:自行车发电机供电的照明系统 |
China National Standards Bicycles Lighting retro |
English PDF |
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