Home / Standards / GB/T 42987-2023 GB/T 42987-2023 Active Requirements for data of urban underground space 城市地下空间数据要求 Standard Type GBT ICS 07.040 CCS A75 Status 现行 Issue Date 2023-09-07 Implementation 2023-09-07 Responsible Dept 自然资源部(测绘地理) Drafting Unit N/A