Itshe eliyigugu lesafire lokwenziwa
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Isafire eluhlaza okokwenziwa ngetshe eliyigugu lomnqumo oluhlaza 99.999% Al2O3 zokwenziwa
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99.999% Al2O3 itshe eliyigugu letshe eliyigugu lesafire elimibalabala elibomvu
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Okubalulekile kwe-ruby I-Artificial corundum yento eyigugu yasekuqaleni Ebomvu
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I-Pigeon blood ruby material doped Ti3+ Cr3+ ngengilazi yewashi eliyigugu