无损检测人员资格鉴定和认证Recommended Practice No.SNT-TC-1A2021 EditionPersonnel Qualif ication and Certification in Nondestructive Testing无损检测人员资格鉴定和认证推荐性实施细则1Copyright 201 6 by The American Society for Nondestructive Testing.2021版版权归美国无损检测学会所有。The American Society for Nondestructive Testing, Inc. (ASNT) is not responsible for the authenticity or accuracy of information herein. Published opinions and statements do not necessarily reflect the opinion of ASNT. Products or services tha
