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DH-300K DahoMeter 2 Years Warranty Digital Electronic Gold Tester Machine Gold Densimeter Gold Purity Tester
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SCIENTIFIC APPLIANCE-----Combine Archimedes principle with micro electronic technique and adopt sensor imported from Germany,the purity can be
DH-300K Digital Gold Density Meter Gold Purity Analyser with Resolution 0.001g/cm3
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Digital Electronic Gold Purity Tester Machine,Precious Metal Densimeter Density : Industrial & Scientific