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Arvid Gerhard Damm

Arvid Gerhad Damm was a Swedish inventor of a rotor machine. Damm filed for a patent (#52,279) on a rotor machine on 10 October, 1919, three days after Hugo Koch filed a patent for a similar invention in the Netherlands. Damm's company was subsequently bought by Boris Hagelin.

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Last updated: 08-24-2005 17:38:57
Last updated: 01-04-2007 01:18:57
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