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经营范围
发明名称
Hearing aid employing a viscoelastic material to adhere components to the casing.
摘要
申请公布号
EP0354698(B1)
申请公布日期
1994.11.23
申请号
EP19890307750
申请日期
1989.07.31
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
KOLPE, VASANT V. C/O MINNESOTA MINING AND;CHAMBERLIN, DAVIS W. C/O MINNESOTA MINING AND;OLIVEIRA, ROBERT J. C/O MINNESOTA MINING AND
分类号
H04R25/00;H04R25/02;(IPC1-7):H04R25/02
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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