Home / Standards / GB/T 33489-2017 GB/T 33489-2017 Abolished Building specification for exhibition information management system 展览会信息管理系统建设规范 Standard Type GBT ICS 03.080.30 CCS A02 Status 废止 Issue Date 2017-02-28 Implementation 2017-09-01 Responsible Dept 国家标准委 Drafting Unit N/A