ETSI PRETS 300 019-2-3-1994 设备工程(EE).电信设备的环境条件和环境测试.第2-3部分:环境测试规范.在有气候保护的地点固定使用
Equipment Engineering (EE); Environmental Conditions and Environmental Tests for Telecommunications Equipment Part 2-3: Specification of Environmental Tests Stationary Use at Weatherprotected Locations