Utilization of Building Stone Extraction Waste
velmi dobře
Opening and mining of a middle slice of a seam n. 24 in the 11 section at the division ČSA of the Karvina Colliery
velmi dobře
Opening and mining of a middle slice of a seam n. 24 in the 11 section at the division ČSA of the Karvina Colliery
velmi dobře
Utilization of Building Stone Extraction Waste
velmi dobře
