Abrasive powders, grains and flakes, synthetic;Abrasives, glass;Abrasives, silicon based;Abrasives, diamond;Abrasives for wire sawing;Abrasives, cleaning and polishing, for metal and glass;Abrasive grit for grinding wheels;Abrasive grit, selected and graded, for polishing;Powders, abrasive, graded;Powders and pastes, abrasive, for polishing;Powders and pastes, abrasive, for grinding;Powders and pastes, abrasive, for lapping;Abrasives for the glass industry;Abrasives for the optical industry;Powders and pastes, scouring;
