Home / Standards / GB/T 31271-2014 GB/T 31271-2014 Active Packaging―Rate of recycling―Definition and method of calculation 包装 循环再生率 计算规则和方法 Standard Type GBT ICS 55.020 CCS A80 Status 现行 Issue Date 2014-10-10 Implementation 2015-05-01 Responsible Dept 国家标准委 Drafting Unit N/A