Vintage Electronic Calculators: CALCUSEUM Home page
| Serial Numbers | |||||
| Brand and Type | Serial Number | ||||
| DETRON: 830D (version-1) | 71102244 | ||||
| DETRON: 830D (version-1) | 7110275 | ||||
| DETRON: 830D (version-3) | 70416744 | ||||
| 07-mar-2025 (3 Items) | |||||
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