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hardness gem testing instruments
Selling leads
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... Jewelers Magnifying Glass with Magnification of 10X Description: The Loupe is the most widely used and most familiar gem-identification instrument...
2024-12-09 10:54:02
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Oval shape Generation 3rd Binocular Microscope With F11 binocular lens Gemological microscope Optical instruments for gemological lab Product ...
2024-12-09 11:36:02
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...function of this Lapidary machine is faceting and polishing the gemstone which with hardness up to 9. Applications: gemology, gem/jewellry ...
2024-12-09 11:09:10
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