✦ LIBER ✦
Ultrasonic pulse distance measuring device for measuring time interval between transmitted pulse and corresponding echo: Dory, J. US Patent 3, 454, 922 (8 July 1969) (Filed 30 October 1967) (2067) Generation, detection and measurement
- Publisher
- Elsevier Science
- Year
- 1970
- Tongue
- English
- Weight
- 106 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0041-624X
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