DIN EN 61158-6-22-2015 工业通讯网络.现场总线规范.第6-22部分:应用层协议规范.22型元件(IEC 61158-6-22-2014).英文版本EN 61158-6-22-2014, 仅为CD-ROM
Industrial communication networks - Fieldbus specifications - Part 6-22: Application layer protocol specification - Type 22 elements (IEC 61158-6-22:2014); English version EN 61158-6-22:2014, only on CD-ROM