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经营范围
发明名称
Method and arrangement for improving leak tolerance of an earpiece in a radio device
摘要
申请公布号
EP0909077(A3)
申请公布日期
2006.05.17
申请号
EP19980660097
申请日期
1998.09.17
申请人
NOKIA CORPORATION
发明人
WECKSTROEM, ANDERS;SUUTARI, JARI;BACKMAN, JUHA
分类号
H04M1/03;H04R9/10;H04R1/22;H04R3/04
主分类号
H04M1/03
代理机构
代理人
主权项
地址
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