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21

Fine, sanitary and technical ceramics

Technical ceramics

Ceramic components for apparatus, machines, installations

2721.12

Nozzles of ceramics

2721.13

Ceramic abrasives

2721.14

Ceramic balls

2721.16

Lining of mills and mill components, ceramic

2721.17

Ceramic grinding balls

2721.19

Ceramic grinding pearls

2721.24

Grinding bodies for ceramics

2721.26

Ceramic grinding cylinders

2721.27

Ceramic tubes, highly refractory

2721.32

Solid oxide fuel cells

2721.34

Ceramic filling material

2721.36

Ceramic honeycomb elements

2721.37

Catalyst carriers

2721.64

Ceramic diaphragms

2721.78

Porcelain foils