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发明名称
DEVICE TO PRODUCE HIGH-FREQUENCY SOUND WAVES
摘要
申请公布号
EP0062627(B1)
申请公布日期
1985.05.29
申请号
EP19820890042
申请日期
1982.03.18
申请人
HOFFELNER, VOLKWIN
发明人
HOFFELNER, VOLKWIN
分类号
A01M29/18;B60Q5/00;G10K5/02;(IPC1-7):G10K5/02
主分类号
A01M29/18
代理机构
代理人
主权项
地址
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