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经营范围
发明名称
Elektrisches Stethoskop
摘要
申请公布号
DE718187(C)
申请公布日期
1942.03.05
申请号
DE1937S129905D
申请日期
1937.12.09
申请人
SIEMENS & HALSKE AG.
发明人
JANOVSKY DR.-ING. DR. WILHELM
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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