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Dia1*100mm pulido superficial Ti3 dopó a Sapphire Rod Lens para el laser2025-02-21 16:28:29 |
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Vidrio óptico de Sapphire Crystal Synthetic Ruby For Watch2025-02-21 16:28:28 |
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La dureza Al2O3 9,0 dopó Ruby sintético pulido2025-02-21 16:28:28 |