
DESTRUCTIVE TESTS ON WELDS IN METALLIC MATERIALS - MACROSCOPIC AND MICROSCOPIC EXAMINATION OF WELDS
出版:Association Francaise de Normalisation

專家解讀視頻
ISO/DIS 17639 : 50.20 (2003) - Identical
ISO 17639 : 2003(R2014) - Identical
EN ISO 17639 : 2013 - Identical