Draft Document - Industrial communication networks - Fieldbus specifications - Part 400: Data Link Layer protocol specification; English version (IEC 65C/524/CD:2009), only on CD-ROM
文件草案.工业通信网络.现场总线规范.第400部分:数据链路层协议规范;英文版(IEC 65C/524/CD:2009) 仅CD-ROM版