6804 Millstones, grindstones, grinding wheels and the like, without frameworks, for milling, grinding, pulping, sharpening, polishing, trueing or cutting, hand sharpening or polishing stones, and parts thereof, of natural stone, of agglomerated natural or artificial abrasives, or of ceramics, with or without parts of other materials (excl. perfumed pumice stones and grinding wheels etc. specifically for dental drill engines)

6804 (01/1988-..) Millstones, grindstones, grinding wheels and the like, without frameworks, for milling, grinding, pulping, sharpening, polishing, trueing or cutting, hand sharpening or polishing stones, and parts thereof, of natural stone, of agglomerated natural or artificial abrasives, or of ceramics, with or without parts of other materials (excl. perfumed pumice stones and grinding wheels etc. specifically for dental drill engines) 68041000 (01/1988-..) Millstones and grindstones, without frameworks, for milling, grinding or pulping 68042100 (01/1988-..) Millstones, grindstones, grinding wheels and the like, without frameworks, for sharpening, polishing, trueing or cutting, of agglomerated synthetic or natural diamond (excl. hand sharpening or polishing stones, and grinding wheels etc. specifically for dental drill engines) 68042211 (01/1988-12/1990) Millstones, grindstones, and the like, without frameworks, for sharpening, polishing, trueing or cutting, of agglomerated synthetic abrasives, with binder of synthetic or artificial resin, not reinforced (excl. of agglomerated synthetic diamond, hand sharpening or polishing stones, and grinding wheels etc. specifically for dental drill engines) 68042212 (01/1991-..) Millstones, grindstones, grinding wheels and the like, without frameworks, for sharpening, polishing, trueing or cutting, of artificial abrasives, with binder of synthetic or artificial resin, not reinforced (excl. of agglomerated synthetic or natural diamond, hand sharpening or polishing stones, perfumed pumice stones, and grinding wheels etc. specifically for dental drill engines) 68042218 (01/1991-..) Millstones, grindstones, grinding wheels and the like, without frameworks, for sharpening, polishing, trueing or cutting, of artificial abrasives, with binder of synthetic or artificial resin, reinforced (excl. of agglomerated synthetic or natural diamond, hand sharpening or polishing stones, perfumed pumice stones, and grinding wheels etc. specifically for dental drill engines) 68042219 (01/1988-12/1990) Millstones, grindstones, and the like, without frameworks, for sharpening, polishing, trueing or cutting, of agglomerated synthetic abrasives, with binder of synthetic or artificial resin, reinforced (excl. of agglomerated synthetic diamond, hand sharpening or polishing stones, and grinding wheels etc. specifically for dental drill engines) 68042230 (01/1988-..) Millstones, grindstones, grinding wheels and the like, without frameworks, for sharpening, polishing, trueing or cutting, of artificial abrasives, with binder of ceramics or silicates (excl. of agglomerated synthetic or natural diamond, hand sharpening or polishing stones, perfumed pumice stones, and grinding wheels etc. specifically for dental drill engines) 68042250 (01/1988-..) Millstones, grindstones, grinding wheels and the like, without frameworks, for sharpening, polishing, trueing or cutting, of artificial abrasives, with binder of other than of synthetic or artificial resin, ceramics or silicates (excl. of agglomerated synthetic or natural diamond, hand sharpening or polishing stones, perfumed pumice stones, and grinding wheels etc. specifically for dental drill engines) 68042290 (01/1988-..) Millstones, grindstones, grinding wheels and the like, without frameworks, for sharpening, polishing, trueing or cutting, of agglomerated natural abrasives or ceramics (excl. of agglomerated synthetic or natural diamond, hand sharpening or polishing stones, perfumed pumice stones, and grinding wheels etc. specifically for dental drill engines) 68042300 (01/1988-..) Millstones, grindstones, grinding wheels and the like, without frameworks, for sharpening, polishing, trueing or cutting, of natural stone (excl. of agglomerated natural abrasives or ceramics, perfumed pumice stones, hand sharpening or polishing stones, and grinding wheels etc. specifically for dental drill engines) 68043000 (01/1988-..) Hand sharpening or polishing stones