PROTEUS

Grinding preparations; carbides of metal [abrasives]; silicon carbide [abrasive]; corundum [abrasive]; diamantine [abrasive]; flexible abrasives; industrial abrasives; abrasive preparations for polishing; abrasive paper

Grindstones [parts of machines]; metalworking machines; abrasive grinding wheels [machines]; power-operated grinding wheels; abrasive discs [machine tools]; sanding disks, specifically adapted for use with machines; sharpening wheels [parts of machines]; flap discs for power-operated grinders; discs for abrading for use with power tools; abrasive wheels for power-operated grinders; abrasive disks for power-operated sanders; abrasive grinding wheels [tools for machines]; tool bits for metalworking machines; toolholders for metalworking machines (machine parts)

Sharpening stones; abrasive stones for use with hand-operated tools; grindstones [hand tools]; abrasive wheels for use with hand tools; abrasive discs [parts for hand operated tools]