GB/T 40689-2021智慧城市设备联接管理与服务平台技术要求标准
英文:Smart city—Technical requirements of management and service platform for device connection GB/T 40689-2021介绍: 国家标准《智慧...
英文:Smart city—Technical requirements of management and service platform for device connection GB/T 40689-2021介绍: 国家标准《智慧...