Home / Standards / GB/T 21099.4-2010 GB/T 21099.4-2010 Abolished Function blocks (FB) for process control - Part 4:EDD interoperability guideline 过程控制用功能块(FB) 第4部分:EDD互操作指南 Standard Type GBT ICS 25.040.40 CCS N10 Status 废止 Issue Date 2011-01-14 Implementation 2011-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A