หูฟัง Stethoscope 3M
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รายละเอียด
หูฟัง LITTMANN TYPE 28″ รุ่น CLASSIC II
- High acoustic sensitivity
- Tunable diaphragm, a 3M invention, for monitoring low and high frequencies
- Traditional combination chestpiece with non chill rim
- Compact and durable design
- Patented 3M Littmann Snap Tight Soft-Sealing Eartips
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