Home / Standards / YC/T 247-2008 YC/T 247-2008 Active 烟草及烟草制品 烟碱纯度的测定 硅钨酸重量法 Standard Type YC ICS N/A CCS N/A Status Active Issue Date 2008-04-14 Implementation 2008-04-14 Centralized Committee 国家烟草专卖局 Issuing Authority 国家烟草专卖局