✦ LIBER ✦
Ultrasonic transducer (direct coupling of r.f. currents in transducer surface): Houck, J.R., Bohm, H.V., US patent 3, 460, 063 (5 August 1969) (filed 26 July 1968) (1885)
- Publisher
- Elsevier Science
- Year
- 1970
- Tongue
- English
- Weight
- 131 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0041-624X
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