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gemstone tester equipment
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Gemology Equipment With 0.002 Accuracy With Polarizing Lens hand refractometer Model number: FGR-002A Type Testers & Measurements Testing scale 1.35-1...
2026-05-01 00:03:53
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Index Of Refraction Testing Instruments For Inlaid Gemstone FGR-002J Model number: FGR-002J Type Testers & Measurements Testing scale 1.35-1.85 ...
2026-05-01 00:03:53
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... Length Wave 365nm Short Wave 253.7nm Power supply Equipped with a global wide-voltage external power supply; output 12V/1A, Advantage Providing ...
2026-05-01 00:03:54
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Jewelry Optical Equipment With 0.002 Accuracy With Polarizing Lens Gem Refractometer Model number: FGR-002A Type Testers & Measurements Testing scale ...
2026-05-01 00:03:54
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