China 'GB/T 20935.1-2007
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20935.1-2007
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
Issued Date:2007-05-14
Implemented Date:2007-12-01
Issued by:
The Standardization Administration of the People's Republic of China