91.100.15 Mineral. Including earth, sands, clay, slates, stones, etc. / Минеральные материалы и изделия. Включая землю, песок, глину, шифер, камень, кирпич и т.д., 91.100.30 Concrete. Including admixtures / Бетон и изделия из бетона
Ключевые слова:
Roads, Construction materials, Concretes, Conformity, Aggregates, Quality control, Natural aggregates, Cement and concrete technology, Pavements (roads), Synthetic aggregates