Brown fused alumina
Brown alumina oxide
Brown Corundum
Brown aluminum oxide
Brown electrofused-alumina
Brown electrocorundum
Brown fused Al2O3
Brown aloxide
Brown electric-furnace Corundum
Brown alox
BFA
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Brown alumina oxide
Brown Corundum
Brown aluminum oxide
Brown electrofused-alumina
Brown electrocorundum
Brown fused Al2O3
Brown aloxide
Brown electric-furnace Corundum
Brown alox
BFA
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