CRYSTOLON

HEAT REFRACTORY MATERIALS, NAMELY - ALUMINA SILICON, SILICON CARBIDE, ALUMINA, SILICON, CERAMIC BONDING MATERIAL, AND MIXTURES THEREOF TO BE USED IN HEAVY INDUSTRY

[ ABRASIVE PRODUCTS, namely, - POWDERS, GRAINS, AND PASTES FOR USE IN HEAVY INDUSTRY; AND VALVE-GRINDING COMPOUNDS FOR USE IN HEAVY INDUSTRY ]

POWER-OPERATED TOOLS, namely, - [ SHARPENING STONES, HONES, AND OILSTONES; ] GRINDING [, CUTTING, AND ABRADING ] WHEELS

HAND TOOLS, namely, - SHARPENING STONES, HONES, OILSTONES [ ; AND HAND-OPERATED GRINDING, CUTTING, POLISHING, AND ABRADING WHEELS ]