✦ LIBER ✦
Electroacoustic transducer with improved shock resistance: Massa, F., US patent 3, 460, 061 (5 August 1969) (filed 7 October 1965) (1896)
- Publisher
- Elsevier Science
- Year
- 1970
- Tongue
- English
- Weight
- 131 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0041-624X
No coin nor oath required. For personal study only.