
BS EN 10228-4 - NON-DESTRUCTIVE TESTING OF STEEL FORGINGS - PART 4: ULTRASONIC TESTING OF AUSTENITIC AND AUSTENITIC-FERRITIC STAINLESS STEEL FORGINGS
出版:British Standards Institution

專家解讀視頻
BS EN 10228-4 - NON-DESTRUCTIVE TESTING OF STEEL FORGINGS - PART 4: ULTRASONIC TESTING OF AUSTENITIC AND AUSTENITIC-FERRITIC STAINLESS STEEL FORGINGS
出版:British Standards Institution
專家解讀視頻