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发明名称
WIDE-RANGE ULTRASONIC TRANSDUCER.
摘要
申请公布号
EP0478611(B1)
申请公布日期
1994.01.19
申请号
EP19900909133
申请日期
1990.06.22
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
MAGORI, VALENTIN;MOECKL, THOMAS
分类号
H04R17/00;B06B1/06;(IPC1-7):B06B1/06
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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