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Fuzhou Lindian Technology Development CO.,LTD
LING DIAN YU ZHI HUI , DIAN DI DE HUI JU.
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Professional Gem Refractometer High Accuracy With Monochromatic Polarizing

Fuzhou Lindian Technology Development CO.,LTD
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Professional Gem Refractometer High Accuracy With Monochromatic Polarizing

Professional Gem Refractometer High Accuracy With Monochromatic Polarizing

Optical equipments for Gem built-in Led jewelry Hand-Held refractometer Product description The Gem Refractometer is an important instrument which measures the refractive indices of stones. It has a ...

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presidium gem tester

      

gemstone tester

      
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