Home / Standards / GB/T 39310-2020 GB/T 39310-2020 Active Fasteners—Types of inspection documents 紧固件 检查文件类型 Standard Type GBT ICS 21.060.01 CCS J13 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A