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Translated by: RUDOLF POLZER
Translated in 47 languages
[Subject: Mechanics]
Translated by: GUEST USER
Translated in 33 languages
Translated in 22 languages
Translated in 18 languages
[Subject: Generalities]
Translated by: KATRIN HELD
Translated in 15 languages
Translated by: SYLVIA VERGARA
Translated in 5 languages