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3M 5811 Littmann Classic III Smoke-Finish Monitoring Stethoscope with Black Identification Tag, 27" Black Tube: Amazon.com: Industrial & Scientific
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Estetoscópio 3M Littmann Classic III Black Smoke Finish 5811 : Amazon.com.br: Produtos Industriais e Científicos
![3M 5811 Littmann Classic III Smoke-Finish Monitoring Stethoscope with Black Identification Tag, 27" Black Tube: Amazon.com: Industrial & Scientific 3M 5811 Littmann Classic III Smoke-Finish Monitoring Stethoscope with Black Identification Tag, 27" Black Tube: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51r6bmLxi5L._AC_UF350,350_QL50_.jpg)