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refractometer gem testing machine
Selling leadsFable Brand Black UV Spectrometer Spectral Effective Measurement Range 220nm-1000nm INPUT AC100-240V
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Fable Brand Black UV Spectrometer Spectral Effective Measurement Range 220nm-1000nm INPUT AC100-240V 1: It can detect various types of jewelry and ...
2024-12-09 17:14:28
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...geting the exact faceting and angle of the gem. Material Cupper and Aluminum Alloy Index Wheels 96 and 64. Description: Use for the Lapidary ...
2024-12-09 11:06:29
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