PROCEDURES and recommendations for the ultrasonic testing of butt welds
PROCEDURES and recommendations for the ultrasonic testing of butt welds - 2nd. ed. - Cambridge : The Welding Institute, 1971 - 42 p.; 30 cm.
621.791
PROCEDURES and recommendations for the ultrasonic testing of butt welds - 2nd. ed. - Cambridge : The Welding Institute, 1971 - 42 p.; 30 cm.
621.791