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Hangzhou,Zhejiang,China China
Personne àcontacter Mike Zhang
Nom de la société Hangzhou, Zhejiang
Pen type pH/Temp pH meter PH-220 ModelNo. Testitem Measuringrange Resolution Accuracy OtherTechnicaldata Feature PH-220 pH 0.00-14.00pH 0.01pH.
Introduction: Refractometer produces different refractive indexes in the liquid with different concentration, this is the design principle of the prod
Product name: pH Test Paper/pH Test Strips Introduction: pH test stripis a band/piece/strip of special paper to test pH value of water, urine, blood o
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