共 50 条
- [32] ELECTRONIC BALLOON-PAYLOAD CUTDOWN TIMER REVIEW OF SCIENTIFIC INSTRUMENTS, 1970, 41 (01): : 131 - +
- [36] A WIDE-RANGE ELECTRONIC RATIO TIMER JOURNAL OF SCIENTIFIC INSTRUMENTS, 1952, 29 (05): : 162 - 162
- [37] AN ELECTRONIC TIMER FOR CLOSED-CIRCUIT ANESTHESIA INTERNATIONAL JOURNAL OF CLINICAL MONITORING AND COMPUTING, 1988, 5 (02): : 79 - 81
- [38] GORDON ELECTRONIC BRAKE-STOP TIMER MACHINERY AND PRODUCTION ENGINEERING, 1977, 131 (3385): : 431 - 431