Home / Standards / GB/T 21017-2021 GB/T 21017-2021 Active Technical specifications for maize drying 玉米干燥技术规范 Standard Type GBT ICS 65.060.99 CCS B91 Status 现行 Issue Date 2021-05-21 Implementation 2021-12-01 Responsible Dept 国家粮食和储备局 Drafting Unit N/A