Industrial communication networks - Fieldbus specifications - Part 5-12: Application layer service definition - Type 12 elements (IEC 61158-5-12:2019); English version EN IEC 61158-5-12:2019, only on CD-ROM
工业通信网络.现场总线规范.第5-12部分:应用层服务定义.第12类元件(IEC 61158-5-12-2019);英文版EN IEC 61158-5-12:2019 仅CD-ROM