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发明名称
ANORDNING VED TRYKMIKROFONER TIL FORBEDRING AF DISSES LAVFREKVENSEGENSKABER
摘要
申请公布号
DK152160(B)
申请公布日期
1988.02.01
申请号
DK19850002355
申请日期
1985.05.28
申请人
BRUEEL & KJAER, A/S
发明人
FREDERIKSEN, ERLING
分类号
H04R1/40;G01H3/12;H01R24/06;H04R1/22;H04R1/28;(IPC1-7):H04R19/04
主分类号
H04R1/40
代理机构
代理人
主权项
地址
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