ETSI EN 300 019-1-8-2002 环境工程(EE).通信设备的环境条件和环境测试.第1-8部分:环境条件的分类.在地下场所的固定使用(版本2.1.2)
Environmental Engineering (EE); Environmental Conditions and Environmental Tests for Telecommunications Equipment; Part 1-8: Classification of Environmental Conditions; Stationary Use at Underground Locations V2.1.2