239100 Manufacture of abrasive products
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239100 Manufacture of abrasive products
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This type includes:
- manufacture of millstones, grindstones, grinding wheels, etc., without frameworks, for grinding, sharpening, trueing or cutting, hand sharpening or polishing stones
This type also includes:
- manufacture of natural or artificial abrasive powder or grain, on a base of textile material, of paper, of paperboard or of other materials, whether or not cut to shape or sewn or otherwise made