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Device for secret position by means of central telescopic graphical messages, by means of a telescopic graphic apparatuses with a keyboard according to type of typewriters and with a character-carrying disc or the like. the letters or characters of the message exchange experience a selbsttaetiges
Device for secret position by means of central telescopic graphical messages, by means of a telescopic graphic apparatuses with a keyboard according to type of typewriters and with a character-carrying disc or the like. the letters or characters of the message exchange experience a selbsttaetiges