Home / Standards / GB/T 31055-2014 GB/T 31055-2014 Active Paddy separating plate 谷糙分离筛板 Standard Type GBT ICS 73.120 CCS A28 Status 现行 Issue Date 2014-12-22 Implementation 2015-06-01 Responsible Dept 国家标准委 Drafting Unit N/A