Home / Standards / GB/T 38844-2020 GB/T 38844-2020 Active Smart factory—General specification for time synchronization, time management and test in industry automation system 智能工厂 工业自动化系统时钟同步、管理与测量通用规范 Standard Type GBT ICS 25.040 CCS N10 Status 现行 Issue Date 2020-06-02 Implementation 2021-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A