Non-destructive testing of steel tubes, Automatic full peripheral ultrasonic testing of seamless and welded (except submerged arc welded) steel tubes for the detection of longitudinal imperfections— 14 стр.
Non-destructive testing of steel tubes. Automatic full peripheral ultrasonic testing of seamless and welded (except submerged arc welded) tubes for the detection of longitudinal imperfections— 14 стр.
