Home / Standards / GB/T 42197-2022 GB/T 42197-2022 Active Specifications for description of video and image content metadata of internet of things of public security 公安物联网视频图像内容元数据描述规范 Standard Type GBT ICS 35.020 CCS A 90 Status 现行 Issue Date 2022-12-30 Implementation 2022-12-30 Responsible Dept 公安部 Drafting Unit N/A