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经营范围
发明名称
Ultrasonic transducer.
摘要
申请公布号
EP0142178(B2)
申请公布日期
1994.01.12
申请号
EP19840201200
申请日期
1984.08.20
申请人
LABORATOIRES D'ELECTRONIQUE PHILIPS;N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
MEQUIO, CLAUDE ROBERT
分类号
G10K11/02;H04R17/00;H04R1/22;(IPC1-7):G10K11/02
主分类号
G10K11/02
代理机构
代理人
主权项
地址
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