Equipment Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-7: Classification of environmental conditions; Portable and non-stationary use
设备工程;电信设备的环境条件和环境试验;第1-7部分:环境条件分类;便携式和非固定使用
发布日期:
1992-02-01
ETS 300 019-1用户指南;如何选择指定的环境类别
Guidance for users of ETS 300 019-1; how to select the specified environmental classes