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VUR1/2/3/4/5Urine Refractometer
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WZS seriesPortable Refractometers
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VBC1/2/3/4/5/6/7/8/9Antifreeze Refractometer
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VBR80S/90S/VND1Expert Refractometer
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GEM1/2/3GEM Refractometer
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VMK1/VMK2/VEM/VLM/VND2/VND4/VND5Milk/Emulsion/Content lense Refractometer/Refractive Index
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VWN1/2/3/4/5/6/7/8Wine Refractometer
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VAL1/2/3/4/5/6/7Alcohol(AP) Refratometer
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A650Automatic Refractometer
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A620Automatic Refractometer
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A610Automatic Refractometer
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Updated Digital RefractometerUpdated Digital Refractometer