Kristal safir
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Komponen Safir Transparan Ngaliwatan Liang
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Métode ky kristal ingot boule safir anu dipelak
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Ingot Kristal Tunggal Safir metode ky Al2O3
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Batu safir Boule safir kosong kristal tunggal Al2O3 99,999%
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Boule Safir Sintétis Safir Monokristal Diaméter sareng ketebalanna tiasa disaluyukeun
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99,999% Al2O3 safir boule bahan transparan monokristal