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发明名称
Ultrasonic sensor and its ultrasonic resonator
摘要
申请公布号
EP0881624(B1)
申请公布日期
2003.04.23
申请号
EP19980109901
申请日期
1998.05.29
申请人
DENSO CORPORATION
发明人
TSUZUKI, TAKEO
分类号
G01S7/521;B60R21/00;G10K11/00;H04R1/34;H04R17/00;(IPC1-7):G10K11/00
主分类号
G01S7/521
代理机构
代理人
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地址
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