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9

Mechanical and plant engineering

Motive power engineering

Toothed wheels and toothings

9211.11

Toothing components

9211.12

Internal toothed gears

9211.13

Master gears

9211.14

Bevel gears

9211.16

Beveloid conical gearwheels

9211.17

Worm gears

9211.19

Spur gears

9211.21

Racks

9211.24

Measuring racks

9211.37

Gear rings

9211.38

Flywheel ring gears

9211.39

Toothed wheel rim drums

9211.40

Spindles

9211.41

Threaded spindles

9211.42

Trapezoidal threaded spindles

9211.43

Precision threaded spindles

9211.46

Machine spindle nuts

9211.48

Threaded spindle bearing arrangements

9211.74

Pinion shafts

9211.78

Pinion toothed rack systems

9211.81

Worm gear sets