Telecontrol equipment and systems - Part 2: Operating conditions; Section 2: Environmental conditions (climatic, mechanical and other non-electrical influences) (IEC 60870-2-2:1996); German version EN 60870-2-2:1996
远动设备和系统.第2部分:操作条件;第2节:环境条件(气候、机械和其他非电气影响)(IEC 60870-2-2-1996);德文版EN 60870-2-2:1996