Polarizing Lens Gemology Equipment 0.002 Accuracy Hand Refractometer
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Gemology Equipment With 0.002 Accuracy With Polarizing Lens hand refractometer Model number: FGR-002A Type Testers & Measurements Testing scale 1.35-1.85 Accuracy 0.002 Color White Size 140mm*42mm*95mm Power supply Two No. 7 batteries or externally ......
Shenzhen Fable Jewellery Technology Co., Ltd.
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Jewelry Microscope Gem Refractometer High Hardness CZ Test Prism A24.6321
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...Gem Refractometer High Hardness CZ Test Prism A24.6321 Professional Optical Design, High Hardness CZ Test Prism, Clear Shadow Boundaries, Special Power Supply A24.6321 Gem Refractometer A B C Scale Range 1.35-1.85, Hard CZ Measuring Prism Accuracy ≤± 0.003 0.002......
Opto-Edu (Beijing) Co., Ltd.
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Professional Gem Refractometer High Accuracy With Monochromatic Polarizing Filter
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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 pull out eyepiece and a high quality lens that gives ......
Fuzhou Lindian Technology Development CO.,LTD
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