Grinding wheels, in particular ceramic bonded or artificial resin bonded grindstones of corundum or silicon carbide for hand-held tools; abrasive bodies, namely abrasive segments, grindstones, abrasive pencils, in particular ceramic bonded or artificial resin bonded abrasive bodies of corundum or silicon carbide for hand-held tools.

Grinding wheels, namely, ceramic bonded or artificial resin bonded manually-operated grindstones of corundum or silicon carbide for hand-held tools; abrasive bodies, namely, abrasive segments in the nature of grinding tips for hand-operated grinding wheels, manually-operated grindstones, manually-operated grinding wheels, sharpening stones, hand tools in the nature of manually-operated grindstones, abrasive pencils, and ceramic bonded or artificial resin bonded abrasive bodies in the form of ...