Home / Standards / YC/T 220-2007 YC/T 220-2007 Active 烟草农业科技成果经济效益计算方法 Standard Type YC ICS N/A CCS N/A Status Active Issue Date 2007-03-06 Implementation 2007-05-01 Centralized Committee 国家烟草专卖局 Issuing Authority 国家烟草专卖局