The Combined Nomenclature (CN), v1:2018
8461 40 79: Gear finishing machines, incl. abrasive gear cutting machines, in which the positioning in any one axis can be set up to an accuracy of at least 0,01 mm, not numerically controlled, for working metals, metal carbides or cermets
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=bdccfab4-a71c-4f32-8b96-d3d9ed56013c