Machine tools for mechanical process engineering purposes, namely, size reduction machine for comminuting of crumbly materials, inert materials, plastic materials, organic materials, pigments, minerals, elastomers and synthetics, food and feed stuff, especially for the fine and finest grinding; grinding machines for the dry and wet grinding of soft to hard materials, especially minerals, plastics, wood, food and feed stuff, fibers; mills being machines for comminuting of crumbly materials, inert materials, plastic materials, organic materials, pigments, minerals, elastomers and synthetics, food and feed stuff, especially whirlwind mills, turbo mills, pin mills, beater mills; impact mills; machine tools being structural machine parts for the aforementioned machines sold as a unit with the machines, namely, knives, grinding discs, grinding tracks, screening tracks, impact plates, impact and percussion ledges, hammers, grinding pins; structural parts and accessories for aforementioned goods

Maintenance and repair of machines tools, especially of size-reduction machines; maintenance in the nature of modification of machines and mechanical systems