Fil:Rejewski&Rozycki&Zygalski.jpg

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Rejewski&Rozycki&Zygalski.jpg ‎(500 × 211 piksler, filstørrelse: 49 KB, MIME-type: image/jpeg)

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Beskrivelse

BeskrivelseRejewski&Rozycki&Zygalski.jpg	Deutsch: Die drei polnischen Kryptoanalytiker Marian Rejewski, Jerzy Różycki und Henryk Zygalski (ca. 1928-1932) English: The three polish codebreakers Marian Rejewski, Jerzy Różycki, and Henryk Zygalski (ca. 1928-1932)
Dato	14. november 2013, 22:52:01
Kilde	File:Enigma_deszyfranci.jpg
Opphavsperson	UkjentUnknown author

This photograph is in the public domain because according to the Art. 3 of copyright law of March 29, 1926 of the Republic of Poland and Art. 2 of copyright law of July 10, 1952 of the People's Republic of Poland, all photographs by Polish photographers (or published for the first time in Poland or simultaneously in Poland and abroad) published without a clear copyright notice before the law was changed on May 23, 1994 are assumed to be in the public domain in Poland.

This work is in the public domain in the United States because it meets three requirements:

it was first published outside the United States (and not published in the U.S. within 30 days),
it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
it was in the public domain in its home country (Poland) on the URAA date (1 January 1996).

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	Dato/klokkeslett	Dimensjoner	Bruker	Kommentar
nåværende	25. feb. 2016 kl. 10:31	500 × 211 (49 KB)	OS	slightly adjusted brightness and contrast
	24. feb. 2016 kl. 07:30	500 × 211 (48 KB)	OS	substituted image of Marian Rejewski of approcimately 1943 by another one of 1932 from https://commons.wikimedia.org/wiki/File:MR_1932_small.jpg
	27. apr. 2015 kl. 06:58	500 × 211 (51 KB)	OS	User created page with UploadWizard