Sapphire siv lead ua
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Los ntawm-Hole Transparent Sapphire Cheebtsam
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Raws li loj hlob sapphire boule
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Sapphire Ib Leeg Crystal Ingot
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6 nti sapphire Boule sapphire dawb paug ib leeg siv lead ua Al2O3 99.999%
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Synthetic Sapphire boule Monocrystal Sapphire Blank Diameter thiab thickness tuaj yeem kho
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99.999% Al2O3 sapphire boule monocrystal pob tshab khoom