Home / Standards / GB/T 45870.2-2025 GB/T 45870.2-2025 Active Springs—Measurement and test parameters—Part 2:Cold formed cylindrical helical extension springs 弹簧 测量和试验参数 第2部分:冷成形圆柱螺旋拉伸弹簧 Standard Type GBT ICS 21.160 CCS J26 Status 现行 Issue Date 2025-08-29 Implementation 2025-08-29 Responsible Dept 国家标准委 Drafting Unit N/A