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Contec 69450401 Medical Battery Replacement Battery For Contec ECG-100G

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Price:
$6.99
Free shipping
Estimated delivery Thu, Oct 10 - Tue, Oct 15
Returns:
60 days returns. Buyer pays for return shipping.
Condition:
New
(SC11 Single Head Stethoscope. 4) Tap the diaphragm to hear the effect of sound. 6) Do not disassemble or assemble the rotating shaft by yourself, to avoid affecting the accuracy. 100 Hz ~ 500 Hz as the reference of the testing sound source.