Home / Standards / GB/T 20935.1-2007 GB/T 20935.1-2007 Abolished Method of electromagnetic acoustic inspection for metal materials - Part 1: Standard guide for electromagnetic acoustic transducers (EMATs) 金属材料电磁超声检验方法 第1部分:电磁超声换能器指南 Standard Type GBT ICS 77.040.20 CCS H26 Status 废止 Issue Date 2007-05-14 Implementation 2007-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A