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经营范围
发明名称
DIFFERENTIAAL-STETHOSCOOP.
摘要
申请公布号
NL8303332(A)
申请公布日期
1985.04.16
申请号
NL19830003332
申请日期
1983.09.29
申请人
INTECH SYSTEMS CORP. TE HAUPPAUGE, NEW YORK, VER. ST. V. AM.
发明人
分类号
A61B7/04;H04R3/00;(IPC1-7):A61B7/04
主分类号
A61B7/04
代理机构
代理人
主权项
地址
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