DIN 40050.9 道路车辆.防护等级（IP代码）

DIN 40050.9-1993 IPX5＆X6 Road vehicles; degrees of protection (IP-code); protection against foreign objects; water and contact; electrical equipment

DIN 40050.9-1993 IPX5＆X6 道路车辆.防护等级（IP代码）.防外来物.水和接触物.电器设备

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