Number | Date | Country | Kind |
---|---|---|---|
55-116162 | Aug 1980 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3832580 | Yamamuro et al. | Aug 1974 | |
3903733 | Murayama et al. | Sep 1975 | |
3946149 | White | Mar 1976 | |
4038615 | Ishiyama et al. | Jul 1977 | |
4137475 | Yoshida et al. | Jan 1979 |
Number | Date | Country |
---|---|---|
55-151894 | Nov 1980 | JPX |
Entry |
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F. Mattiocco, "PVF.sub.2 Transducers for Rayleigh Waves", Electronics Letters, Mar. 27, 1980, vol. 16, No. 7, pp. 250-251. |