Home / Standards / GB/T 30570-2014 GB/T 30570-2014 Active Structural main factors of sheet metal stamping parts 金属冷冲压件 结构要素 Standard Type GBT ICS 25.020 CCS J32 Status 现行 Issue Date 2014-05-06 Implementation 2014-12-01 Responsible Dept 国家标准委 Drafting Unit N/A