Main prod. Group survey
deu
fra
esp
19
Quarry products and building materials
Clays
1123.11
Dumping ground clay
1123.12
Raw clay
1123.14
Clay, ceramic
1123.17
Clay, fire-resistant
1123.21
Clay, ground
1123.24
Clay granules
1123.27
Powdered clay
1123.84
Special clays