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发明名称
FOERFARANDE OCH ANORDNING FOER MAETNING AV FOERVRAENGNING ELLER NYTTOEFFEKT I EN HOEGTALARE.
摘要
申请公布号
FI85638(C)
申请公布日期
1992.05.11
申请号
FI19900001727
申请日期
1990.04.05
申请人
KORHONEN,ANTERO
发明人
KORHONEN,ANTERO
分类号
H04R;H04R29/00;(IPC1-7):H04R29/00
主分类号
H04R
代理机构
代理人
主权项
地址
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