Home / Standards / GB/T 20218-2021 GB/T 20218-2021 Active Biaxially oriented polyamide (nylon) film 双向拉伸聚酰胺(尼龙)薄膜 Standard Type GBT ICS 83.140.10 CCS Y28 Status 现行 Issue Date 2021-03-09 Implementation 2021-09-01 Responsible Dept 中国轻工业联合会 Drafting Unit N/A