DIN EN 61158-5-12-2015 工业通信网络.现场总线规范.第5-12部分:应用层设备定义.12型元件.(IEC 61158-5-12-2014).英文版本EN 61158-5-12-2014, 仅在CD-ROM上
Industrial communication networks - Fieldbus specifications - Part 5-12: Application layer service definition - Type 12 elements (IEC 61158-5-12:2014); English version EN 61158-5-12:2014, only on CD-ROM