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18

Tools and precision tools

Tool manufacture and tools for metalworking

Cubical boron nitride tools

1425.11

Cubical boron nitride tools

1425.21

Cubical boron nitride grinding wheels

1425.23

Cubical boron nitride abrasive pencils

1425.31

Indexable inserts of cubical boron nitride

1425.44

CBN honledges