neželezné kovy 5 Exclude matching results nonferrous metals 3 Exclude matching results alloys 2 Exclude matching results aluminium 2 Exclude matching results copper 2 Exclude matching results founding 2 Exclude matching results hliník 2 Exclude matching results horčík 2 Exclude matching results magnesium 2 Exclude matching results meď 2 Exclude matching results zinc 2 Exclude matching results zinok 2 Exclude matching results zliatiny 2 Exclude matching results zlievarenstvo 2 Exclude matching results 658 1 Exclude matching results 66 1 Exclude matching results 669.1 1 Exclude matching results 678 1 Exclude matching results chemická technológia 1 Exclude matching results hutníctvo železa 1 Exclude matching results kaučukový priemysel 1 Exclude matching results klasifikácia 1 Exclude matching results metal processing 1 Exclude matching results plastový priemysel 1 Exclude matching results skúšaniei materiálov 1 Exclude matching results spracovanie kovov 1 Exclude matching results technické materiály 1 Exclude matching results vykurovanie a vetranie budov 1 Exclude matching results zliatiny železa 1 Exclude matching results