Number | Date | Country | Kind |
---|---|---|---|
42-72629 | Nov 1967 | JA | |
42-72630 | Nov 1967 | JA | |
42-72631 | Nov 1967 | JA | |
42-73055 | Nov 1967 | JA | |
42-73056 | Nov 1967 | JA |
Number | Name | Date | Kind |
---|---|---|---|
3408511 | Bergersen et al. | Oct 1968 |
Entry |
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Semiconductor Electronics by Sorensen, 1961, p. 11. |