Main prod. Group survey
deu
fra
esp
19
Quarry products and building materials
Fireclay products
1166.62
Pulverized grog
1166.64
Fireproof cement
1166.74
Fireclay plates
1166.79
Fireclay tubes
1166.81
Fireclay, burnt clay
1166.85
Fireclay bricks
1166.99
Fireproof cement
