DIN EN 60839-11-2-2016 警报和电子安保系统.第11-2部分:电子出入口控制系统.应用指南(IEC 60839-11-2-2014);德文版本EN 60839-11-2-2015
Alarm and electronic security systems - Part 11-2: Electronic access control systems - Application guidelines (IEC 60839-11-2:2014); German version EN 60839-11-2:2015