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经营范围
发明名称
Stethoscope
摘要
申请公布号
US3168160(A)
申请公布日期
1965.02.02
申请号
US19620205158
申请日期
1962.06.12
申请人
CARDIOSONICS MEDICAL INSTRUMENT CO.
发明人
LITTMANN DAVID;GOODNOW JOHN M.
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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