Home / Standards / GB/T 34398-2026 GB/T 34398-2026 Upcoming Guidelines for exhibition venue planning 展览场馆规划指南 Standard Type GBT ICS 91.020 CCS P 50 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 国家标准委 Drafting Unit N/A