共 50 条
- [1] THE AD-60S LOW-FREQUENCY ACOUSTIC FLAW DETECTOR SOVIET JOURNAL OF NONDESTRUCTIVE TESTING-USSR, 1982, 18 (01): : 11 - 14
- [3] LOW-FREQUENCY ACOUSTIC FLAW DETECTOR FOR REINFORCED-PLASTICS AND GLUED MEMBERS SOVIET JOURNAL OF NONDESTRUCTIVE TESTING-USSR, 1977, 13 (01): : 93 - 96
- [9] TRANSDUCERS FOR LOW-FREQUENCY ACOUSTIC FLAW DETECTORS BASED ON THE TRANSVERSE PIEZOELECTRIC EFFECT SOVIET JOURNAL OF NONDESTRUCTIVE TESTING-USSR, 1981, 17 (11): : 815 - 820
- [10] AD-5OU ACOUSTIC SPECTRAL FLAW DETECTOR SOVIET JOURNAL OF NONDESTRUCTIVE TESTING-USSR, 1978, 14 (03): : 277 - 277