ETSI EN 300 019-1-1-2014
环境工程（EE）；电信设备的环境条件和环境试验；第 1-1 部分：环境条件分类；存储（V2.2.1）
Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-1: Classification of environmental conditions; Storage (V2.2.1)