DIN EN IEC 60721-3-1:2018
环境条件分类 第3-1部分：环境参数组的分类及其严重性 存储（IEC 60721-3-1:2018）
Classification of environmental conditions - Part 3-1: Classification of groups of environmental parameters and their severities - Storage (IEC 60721-3-1:2018); German version EN IEC 60721-3-1:2018