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| View Original: | Marchant - Odhner clone 1950.png (1193x758) | |||
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| Keywords: Marchant - Odhner clone 1950.png en Marchant XLA calculator manufactured since 1923 and based on adapting segments a patent by Carl Friden not on Odhner's pinwheel fr Marchant XLA produite depuis 1923 et qui utilise un mécanisme projeté par Carl Friden own Ezrdr 2010-02-18 Odhner type | ||||
