1 نتائج 'new materials'
New materials
Material nuevo (es), Новые материалы (ru), مواد جديدة (ar), Matériau nouveau (fr)
Materials
Plastics
Politics, law and economics
> Materials and products
Material nuevo (es), Новые материалы (ru), مواد جديدة (ar), Matériau nouveau (fr)
http://vocabularies.unesco.org/thesaurus/concept13838