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← Gretag
Gretacoder 803
Off-line teleprinter encryptor - This page is a sub

The Gretacoder 803 was a semi-portable off-line encryption device for teleprinter signals, developed by Gretag in Regensdorf (Switzerland) around 1970.

  1. Gretag AG, Brochure
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Crypto Museum. Created: Friday 29 June 2012. Last changed: Saturday, 24 February 2018 - 09:28 CET.
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