Home / Standards / GB/T 34239-2017 GB/T 34239-2017 Active Poly(3-hydroxybutyrate-co-valerate)/polylactide (PHBV/PLA) blend filament yarn 聚3-羟基丁酸-戊酸酯/聚乳酸(PHBV/PLA)共混物长丝 Standard Type GBT ICS 59.060 CCS W52 Status 现行 Issue Date 2017-09-07 Implementation 2018-04-01 Responsible Dept 国家标准委 Drafting Unit N/A