Vintage Electronic Calculators: CALCUSEUM Home page
| Serial Numbers | |||||
| Brand and Type | Serial Number | ||||
| MONTEVERDI: E409 | 6B102237 (6B-102237) SERIES 255A | ||||
| MONTEVERDI: E420 | 6B100581 (6B-100581) SERIES 255A | ||||
| 07-mar-2025 (2 Items) | |||||
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