进口原版英文标准ASNT SNT-TC-1A-2016无损检测人员的评定和资格证书
ASNT SNT-TC-1A-2016 "RECOMMENDED PRACTICE NO. SNT-TC-1A: PERSONNEL QUALIFICATION AND CERTIFICATION IN NONDESTRUCTIVE TESTING, AND ASNT-CP-105: STANDARDTOPICAL OUTLINES FOR QUALIFICATION OF NONDESTRUCTIVE TESTING PERSONNEL
Includes all amendments and changes through Addendum D , March 2016"