Home / Standards / GB/T 37755-2019 GB/T 37755-2019 Active Technical specifications for modeling and coding fiber loop in smart substation 智能变电站光纤回路建模及编码技术规范 Standard Type GBT ICS 29.240.01 CCS K45 Status 现行 Issue Date 2019-06-04 Implementation 2020-01-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A