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portable gemological refractometer
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Portable quick Hardness Level Tester Genuine tools Gemstone Mohs hardness pencil Model Number: FMH-8 Hardness Pencil is used for scratching the rough ...
2024-12-09 13:18:55
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... screen Operation temperature 10-40 degree C Warranty One year Packing Color box Applications: Gem & jewelry industry, gemology institutes, labs, -...
2024-12-09 10:57:50
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...Gem Testing Lab with interference ball A professional gem testing toolkit, includes nearly all the needed gemological instruments. Product Name ...
2026-07-06 00:05:10
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Fable Gemological Toolkit Gem Testing Kit Jewllery Testing Instruments FGB-6 Description and Specifications: This portable toolkit includes all the ...
2024-12-09 13:30:01
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