Home / Standards / GB/T 29646-2013 GB/T 29646-2013 Active Modified biodegradable polyester used for blown film 吹塑薄膜用改性聚酯类生物降解塑料 Standard Type GBT ICS 83.080.20 CCS G32 Status 现行 Issue Date 2013-09-06 Implementation 2014-01-31 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A