Home / Standards / GB/T 39519-2020 GB/T 39519-2020 Active Hydranlic cylindrically helical compression spring with high working stress—Technical specifications 高应力液压件圆柱螺旋压缩弹簧 技术条件 Standard Type GBT ICS 21.160 CCS J26 Status 现行 Issue Date 2020-11-19 Implementation 2021-06-01 Responsible Dept 国家标准委 Drafting Unit N/A