Number | Date | Country | Kind |
---|---|---|---|
53/28657 | Mar 1978 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
3473133 | Hummel | Oct 1969 | |
3641441 | Gunn et al. | Feb 1972 | |
3665507 | Peil | May 1972 | |
3673499 | Avins et al. | Jun 1972 | |
3939429 | Lohn et al. | Feb 1976 | |
4091330 | Hidaka | May 1978 | |
4122394 | Fukushima et al. | Oct 1978 |
Number | Date | Country |
---|---|---|
2140680 | Apr 1976 | DEX |
Entry |
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"Denpa Kagaku", (Electric Wave Science), Jan. 1977, vol. 532, pp. 161-165. |