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.
Ключевые слова:
Mineral aggregates, Grouting, Roads, Lightweight aggregates, Aggregates, Natural aggregates, Mortars, Acceptance (approval), Conformity, Cements, Construction materials, Density