共 50 条
- [28] NONDESTRUCTIVE TESTING - REVIEW OF DEVELOPMENT, APPLICATION AND TRAINING METAL CONSTRUCTION, 1976, 8 (04): : 153 - 153
- [29] TRAINING FOR ULTRASONIC NONDESTRUCTIVE TESTING PERSONNEL AT KRAUTKRAMER KAUTSCHUK GUMMI KUNSTSTOFFE, 1979, 32 (07): : 535 - 535