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发明名称
Ultrasonic transducer for parametric array
摘要
申请公布号
US6771785(B2)
申请公布日期
2004.08.03
申请号
US20020268004
申请日期
2002.10.09
申请人
POMPEI FRANK JOSEPH
发明人
POMPEI FRANK JOSEPH
分类号
H04R19/00;B06B1/02;G01S7/521;(IPC1-7):H04R25/00
主分类号
H04R19/00
代理机构
代理人
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地址
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