Home / Standards / GB/T 21074-2007 GB/T 21074-2007 Active Cold rolled stainless precision steel strip for needle tubing 针管用不锈钢精密冷轧钢带 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2007-08-14 Implementation 2008-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A