90293026
Nov 2, 2020
Concrete; Crushed concrete; Cement aggregates; Gravel; Natural stone; Artificial stone; Crushed stone; Stone for building and construction; Asphalt; Sand; Concrete sand; Flume sand
Nonmetallic Building MaterialsConcrete recycling; Asphalt recycling; Recycling of asphalt and concrete rubble; Processing of concrete and asphalt
Treatment of Materials