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发明名称
ELEKTROSTATISCHER LUFT-ULTRASCHALLWANDLER.
摘要
申请公布号
DE3683626(D1)
申请公布日期
1992.03.05
申请号
DE19863683626
申请日期
1986.11.13
申请人
AGENCY OF INDUSTRIAL SCIENCE AND TECHNOLOGY, TOKIO/TOKYO, JP
发明人
HIGUCHI, KOHEI C/O NEC CORPORATION, MINATO-KU TOKYO, JP
分类号
H04R19/00;B06B1/02;G01H11/06;G01S7/521;(IPC1-7):G01H11/06;G10K11/34
主分类号
H04R19/00
代理机构
代理人
主权项
地址
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