Home / Standards / GB/T 34669-2026 GB/T 34669-2026 Upcoming Grain and oil machinery—Roll 粮油机械 磨辊 Standard Type GBT ICS 67.260 CCS X 91 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 国家粮食和储备局 Drafting Unit N/A