When did Littmann Cardiology III come out?

1997 In 1999, 3M introduced the 3M™ Littmann® Electronic Stethoscope Model E2000 and in 2001 3M introduced the 3M™ Littmann® Electronic Stethoscope Model E4100. Jun 8, 2012 12:07:35 PM.

1997 Introduction of 3M™ Littmann® Cardiology III Stethoscope
1999 Introduction of 3M™ Littmann® Electronic Stethoscope Model 2000

Jun 8, 2012

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