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发明名称
ULTRASONIC WAVE CONVERTER SYSTEM
摘要
申请公布号
JPH07218620(A)
申请公布日期
1995.08.18
申请号
JP19940019953
申请日期
1994.01.20
申请人
HEWLETT PACKARD CO <HP>
发明人
DEIBUITSUDO JII MIRAA
分类号
H04R17/00;G01S7/521;G01S7/523;G01S7/526;G01S7/529;(IPC1-7):G01S7/523
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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