Home / Standards / GB/T 39578-2020 GB/T 39578-2020 Active Specification for emergency location system based on inertial navigation 基于惯性导航的应急定位系统规范 Standard Type GBT ICS 47.020.70 CCS M53 Status 现行 Issue Date 2020-12-14 Implementation 2021-07-01 Responsible Dept 工业和信息化部(通信) Drafting Unit N/A