Original Jewelry Presidium Gem Tester II With Accuracy Of 0.02ct
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...Presidium Brand Gem Tester with Accuracy of 0.02ct Model number: Gem Tester II • Detachable probe pen with retractable thermoelectric probe tip that ensures constant pressure between probe and gemstone • Industry’s thinnest probe tip (0.6mm) for testing gemstones as small as 0.02ct......
Shenzhen Fable Jewellery Technology Co., Ltd.
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Portable Optical Gem Refractometer , Presidium Gem Tester Primary Tool
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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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