Home / Standards / YC/T 631-2025 YC/T 631-2025 Active 烟草行业信息分类与编码 Standard Type YC ICS N/A CCS N/A Status Active Issue Date 2025-06-30 Implementation 2025-10-01 Centralized Committee 国家烟草专卖局 Issuing Authority 国家烟草专卖局