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发明名称
Improvements in or relating to stethoscopes
摘要
申请公布号
GB686897(A)
申请公布日期
1953.02.04
申请号
GB19510021531
申请日期
1951.09.13
申请人
PIERRE POUPON
发明人
分类号
A61B7/04
主分类号
A61B7/04
代理机构
代理人
主权项
地址
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