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发明名称
IN-DEM-OHR-HOERGERAET.
摘要
申请公布号
CH662026(A5)
申请公布日期
1987.08.31
申请号
CH19840000831
申请日期
1984.02.21
申请人
GFELLER AG
发明人
MARQUIS, TIERRY
分类号
H04R25/00;(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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