DIN EN 60870-2-2:1998
遥控设备和系统.第2部分:工作条件.第2节:环境条件(气候,机械和其它非电气影响)
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