Home / Standards / GB/T 28970-2012 GB/T 28970-2012 Active Road transportation - Geographic information system - Requirements for data dictionaries 道路交通运输 地理信息系统 数据字典要求 Standard Type GBT ICS 35.240.60;03.220.20 CCS R07 Status 现行 Issue Date 2012-12-31 Implementation 2013-06-01 Responsible Dept 国家标准委 Drafting Unit N/A