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high transparency sapphiretech precision windows
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high temperature pressure temperature abrasion resistance sapphie step optical lens hardness 9.0 sapphire bearing for rolling bearing components/Round...
2025-07-11 00:10:25
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... Watch Glass Window Materials for High-class watches Features of Keeppromise’s Sapphire: Sapphire is scaled at Mohs hardness 9 ,the hardest next to ...
2025-05-06 20:42:05
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...Infrared Nanosecond Glass Laser Drilling Machine utilizes green laser technology with nanosecond pulse duration to perform high-precision drilling ...
2025-07-11 00:10:26
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