Home / Standards / YC/T 253-2019 YC/T 253-2019 Active 卷烟 主流烟气中氰化氢的测定 连续流动法 Standard Type YC ICS N/A CCS N/A Status Active Issue Date 2019-12-26 Implementation 2020-01-15 Centralized Committee 国家烟草专卖局 Issuing Authority 国家烟草专卖局