مطحنة لسحق الكربوراندوم
Carborundum chemical compound trademark Britannica. Carborundum, trademark for silicon carbide, an inorganic compound discovered by EG Acheson; he received a patent on it in 1893 Carborundum has a crystal structure like that of diamond and is almost as hard It is used as an abrasive for cutting, grinding, and polishing, as an antislip additive, and as …
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