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Frequency conversion single head stethoscope. Zinc alloy chest piece with chromoe-plated silver finish. PVC material membrane with special designed central hole for better sound transfer. Inner-spring binaural tubing, PVC soft ear-tips.
Frequency conversion single head stethoscope.
Zinc alloy chest piece with chromoe-plated silver finish.
PVC material membrane with special designed central hole for better sound transfer.
Inner-spring binaural tubing, PVC soft ear-tips.
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