1 نتائج 'polymers'
Polymers (en)
Organic compounds
Plastics
Chemicals
Resins
Science
> Chemical sciences
Polímero (es), Resina (es), Полимеры (ru), Смолы (ru), بوليمرات (ar), راتينجات (ar), Polymère (fr), Résine (fr)
http://vocabularies.unesco.org/thesaurus/concept5035