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[Subject: Metal Manufactures, Machine Tools]
Translated by: CLAUDIA GIERSBERG
Translated in 60 languages
[Subject: Language]
Translated in 32 languages
Translated by: GUEST USER
Translated in 23 languages
Translated in 19 languages
[Subject: Physics]
Translated in 16 languages
[Subject: Geometry]
Translated in 12 languages
[Subject: Music]
Translated by: ALESSANDRO ZIGNANI
Translated in 9 languages
[Subject: Data Processing - Windows]
Translated in 6 languages
[Subject: Electricity & Electronics]
Translated in 5 languages
Translated by: TZUNG-HSIEN CHEN
Translated in 4 languages