Home / Standards / GB/T 21136-2007 GB/T 21136-2007 Active Threshed tobacco Determination of stem content 打叶烟叶 叶中含梗率的测定 Standard Type GBT ICS 65.160 CCS X85 Status 现行 Issue Date 2007-10-16 Implementation 2008-01-01 Responsible Dept 国家烟草局 Drafting Unit N/A