Home / Standards / GB/T 13448-2019 GB/T 13448-2019 Active Test methods for prepainted steel sheet and strip 彩色涂层钢板及钢带试验方法 Standard Type GBT ICS 77.060 CCS H25 Status 现行 Issue Date 2019-03-25 Implementation 2020-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A