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发明名称
ULTRASONIC PROBE
摘要
申请公布号
JPH03103786(A)
申请公布日期
1991.04.30
申请号
JP19890240848
申请日期
1989.09.19
申请人
JAPAN RADIO CO LTD
发明人
MIZUMURA KOICHI;IKEDA HITOSHI
分类号
H04R17/00;G01S7/52;G01S7/521
主分类号
H04R17/00
代理机构
代理人
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