Industrial communication networks - Fieldbus specifications - Part 5-7: Application layer service definition - Type 7 elements (IEC 61158-5-7:2007); English version EN 61158-5-7:2008, only on CD-ROM
工业通信网络.现场总线规范.第5-7部分:应用层服务定义.第7类元件(IEC 61158-5-7-2007);英文版EN 61158-5-7:2008 仅CD-ROM