Home / Standards / GB/T 1239.2-2009 GB/T 1239.2-2009 Active Cold coiled helical springs technical specifications - Part 2: Compressions spring 冷卷圆柱螺旋弹簧技术条件 第2部分：压缩弹簧 Standard Type GBT ICS 21.160 CCS J26 Status 现行 Issue Date 2009-03-16 Implementation 2009-11-01 Responsible Dept 国家标准委 Drafting Unit N/A