Home / Standards / GB/T 45521-2025 GB/T 45521-2025 Active Smart community infrastructures—Guidelines on data exchange and sharing for community infrastructures based on geographic information 智慧城市基础设施 基于地理信息的城市基础设施数据交换与共享指南 Standard Type GBT ICS 35.240.01 CCS A00 Status 现行 Issue Date 2025-04-25 Implementation 2025-04-25 Responsible Dept 国家标准委 Drafting Unit N/A