Home / Standards / GB/T 18507-2014 GB/T 18507-2014 Active Regulations for gradation and classification on urban land 城镇土地分等定级规程 Standard Type GBT ICS 93.020 CCS P13 Status 现行 Issue Date 2014-07-24 Implementation 2014-12-01 Responsible Dept 自然资源部(国土) Drafting Unit N/A