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Curta Type 2a - Prototype P-004 - 12 X 7 X 16 digits - 1949 - (a closer view 5/8) |
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Curta Type 2a - Prototype P-004 with 12 X 7 X 16 digits
Curta Type 2a - Prototyp P-004 mit 12 X 7 X 16 Stellen
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