Home / Standards / GB/T 20171-2006 GB/T 20171-2006 Active EPA system architecture and communication specification for use in industrial control and measurement systems 用于工业测量与控制系统的EPA系统结构与通信规范 Standard Type GBT ICS 25.040 CCS N10 Status 现行 Issue Date 2006-05-08 Implementation 2006-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A