Home / Standards / GB/T 10121-2008 GB/T 10121-2008 Active Steel products-Method for magnetic particle inspection of tower sample 钢材塔形发纹磁粉检验方法 Standard Type GBT ICS 77.040.20 CCS H26 Status 现行 Issue Date 2008-09-11 Implementation 2009-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A