GB/T 30556.7-2014 电磁兼容 安装和减缓导则 外壳的电磁骚扰防护等级(EM编码) Electromagnetic compatibility—Installation and mitigation guidelines—Degrees of protection provided by enclosures against electromagnetic disturbances(EM code)
Electromagnetic compatibility—Installation and mitigation guidelines—Degrees of protection provided by enclosures against electromagnetic disturbances(EM code)