1Pcs Pure Copper Plate 0.5mm 0.8mm 1mm 1.2mm 1.5mm 3mm 4mm 5mm 6mm Cu99.93% Special for Scientific Research and Experiment

1Pcs Pure Copper Plate 0.5mm 0.8mm 1mm 1.2mm 1.5mm 3mm 4mm 5mm 6mm Cu99.93% Special for Scientific Research and Experiment

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