China Protection level of GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	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） - 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 - 英文版

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