GB/T 20935.3-2009
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 20935.3-2009
Method of electromagnetic acoustic inspection for metal materials - Part 3: Standard test method for ultrasonic surface examinations using electromagnetic acoustic transducer(EMAT)techniques 金属材料电磁超声检验方法 第3部分:利用电磁超声换能器技术进行超声表面检测的方法
Issued Date:2009-10-30
Implemented Date:2010-05-01
Issued by:
The Standardization Administration of the People's Republic of China