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经营范围
发明名称
Stethoscope
摘要
A stereophonic stethoscope comprises a pair of flexible ear tubes and a breast piece which is divided into two sound reception chambers by a partitioning wall. Each chamber can be connected to one of the two ear tubes.
申请公布号
DE3909674(A1)
申请公布日期
1990.01.04
申请号
DE19893909674
申请日期
1989.03.23
申请人
KAZAMA, SHIGERU, MACHIDA, TOKIO/TOKYO, JP
发明人
KAZAMA, SHIGERU, MACHIDA, TOKIO/TOKYO, JP
分类号
A61B7/02
主分类号
A61B7/02
代理机构
代理人
主权项
地址
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