| STANDARD 16K/48K EDITION | |
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| STANDARD 128K EDITION | |
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| TIMEX TS2068 EDITION | |
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| INVESTRÓNICA 128+ EDITION | |
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| DIDAKTIK 40/80 EDITION | |
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| OPUS DISCOVERY EDITION | |
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| 16K/48K EDITION ON MICRODIGITAL TK90X (BRAZIL) | 16K/48K EDITION ON MICRODIGITAL TK90X (ARGENTINA) |
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| 16K/48K EDITION ON BECKMAN 48SE (SWEDEN) | 16K/48K EDITION ON OREL BK-08 (U.S.S.R./UKRAINE) |
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