GB/T 19520.18-2018 电子设备机械结构482.6mm（19 in）系列机械结构尺寸第3-106部分∶适用于符合IEC 60917-2-1公制机柜或机架的插箱和机箱的适配尺寸
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更新时间 : 2024-01-02 16:58:57
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