Home / Standards / GB/T 7311 GB/T 7311 Active Classification and editorial nominating method for packaging machinery 包装机械分类与型号编制方法 Standard Type GBT ICS 55.200 CCS A83 Status 现行 Issue Date 2008-07-18 Implementation 2009-01-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委