DIN EN 60839-11-1-2012 报警系统.第11-1部分:电子访问控制系统.系统和组件要求(IEC 79/358A/CDV-2012).德文版本FprEN 60839-11-1-2012
Alarm systems - Part 11-1: Electronic access control systems - System and components requirements (IEC 79/358A/CDV:2012); German version FprEN 60839-11-1:2012