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Supported by
Hercules Ebooks Institute
Hercules Ebooks Institute

 
Standards History
A4A SPEC 105  
A4A SPEC 105 2022  
Guidelines for Training and Qualifying Personnel in Nondestructive Testing Methods
200 $  
A4A SPEC 105  
A4A SPEC 105 2017  
Guidelines for Training and Qualifying Personnel in Nondestructive Testing Methods
200 $