http://dewey.info/scheme/e22/
600 Technologie
620 Ingénierie
620 Ingénierie et activités connexes 621 Physique appliquée 622 Technique minière et activités connexes 623 Génie militaire et naval 624 Génie civil 625 Technologie des chemins de fer et des routes [626] [Vacant] 627 Technologie hydraulique 628 Techniques sanitaire et municipales 629 Autres branches du l’ingénierie
Dewey Decimal Classification: Summaries
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