Home / Standards / GB/T 31786-2015 GB/T 31786-2015 Active Tobacco and tobacco products—Non-destructive determination of strips density variation ratio in case—Ionizing radiation method 烟草及烟草制品 箱内片烟密度偏差率的无损检测 电离辐射法 Standard Type GBT ICS 65.160 CCS X87 Status 现行 Issue Date 2015-07-03 Implementation 2015-11-27 Responsible Dept 国家烟草局 Drafting Unit N/A