Home / Standards / GB/T 33897-2017 GB/T 33897-2017 Active Biopolyester—Polyhydroxyalkanoates(PHA) blowing film 生物聚酯 聚羟基烷酸酯(PHA)吹塑薄膜 Standard Type GBT ICS 83.140.10 CCS Y28 Status 现行 Issue Date 2017-07-12 Implementation 2018-02-01 Responsible Dept 国家标准委 Drafting Unit N/A