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www.3m.com.hk3M Hong Kong: solutions for business, industry and home. ... The technologically advanced Littmann Electronic Stethoscope Model 4000 offers amplification up to eighteen times greater than the best conventional Littmann stethoscope.瀏覽：429
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日期：2025-05-05
3M Hong Kong: solutions for business, industry and home. ... The technologically advanced Littmann Electronic Stethoscope Model 4000 offers amplification up to eighteen times greater than the best conventional Littmann stethoscope....
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