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| BE-CALC TimeKeeper | |||
| (Year) | (Brand) | (AKA) | (Info) |
| 1957 | CASIO: 14A (Relay) | ||
| 195706 | CASIO: CS14A (Relay) | ||
| 19580912 | (_19580912) | - | KILBY Jack, does demonstrate with success at TI, the first IC (an oscillator-on-a-chip) |
| 1959 | FACIT: EDB3 (Computer) | - | |
| 195905 | CASIO: 14B (Relay) | ||
| 29-jul-2010 |