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JOANLAB Magnetic Stirrer Bar Size 15mm 20mm 25mm 28mm 30mm 35mm 40mm PTFE Magnetic Stirrer Mixer Stir Bars 10 pcs Lab Supplies

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JOANLAB Magnetic Stirrer Bar Size 15mm 20mm 25mm 28mm 30mm 35mm 40mm PTFE Magnetic Stirrer Mixer Stir Bars 10 pcs Lab Supplies

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5pcs/lot Magnetic Stirrer Bar Mixed Size PTFE Magnetic Stirrer Mixer Stir Bars

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