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发明名称
ULTRASONIC DISTANCE METER AND ULTRASONIC TRANSMISSION/ RECEPTION ELEMENT
摘要
申请公布号
JPH04343083(A)
申请公布日期
1992.11.30
申请号
JP19910114720
申请日期
1991.05.20
申请人
SEIKO EPSON CORP
发明人
MIURA SADATSUGU
分类号
G01S7/526;G01S7/52;G01S15/10;H04R1/00
主分类号
G01S7/526
代理机构
代理人
主权项
地址
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