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China Protection level of GB Standards Search Result

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GB/T 20138-2023
Protection level of electrical equipment enclosures against external mechanical impact (IK code)
电器设备外壳对外界机械碰撞的防护等级(IK代码) - 中英文版
GB/T 4798.4-2023
Classification of environmental conditions Classification of environmental parameter groups and their severity levels Part 4: Stationary use in places without weather protection
环境条件分类 环境参数组分类及其严酷程度分级 第4部分:无气候防护场所固定使用 - 中英文版

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