Home / Standards / GB/T 37971-2019 GB/T 37971-2019 Active Information security technology—Framework of smart city security system 信息安全技术 智慧城市安全体系框架 Standard Type GBT ICS 35.040 CCS L80 Status 现行 Issue Date 2019-08-30 Implementation 2020-03-01 Responsible Dept 国家标准委 Drafting Unit N/A