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| QB/T 4757-2024 General technical requirements of throttle and brake leverused on electric bicycles (English Version) |
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Detail of QB/T 4757-2024
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Introduction of QB/T 4757-2024
本文件规定了电动自行车用调速转把、断电闸把的通则、回弹性能、电气系统、电性能、强度、环境适应性、疲劳强度、环保性能，描述了相关的试验方法，给出了产品结构的信息，规定了检验规则、标志、包装、运输和贮存本文件适用于电动自行车所使用的调速转把、断电闸把的设计、生产、检验和销售
Contents of QB/T 4757-2024