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发明名称
LISTENING DEVICE
摘要
申请公布号
EP1299988(A2)
申请公布日期
2003.04.09
申请号
EP20010953647
申请日期
2001.07.02
申请人
SPIRIT DESIGN HUBER, CHRISTOFFER, WAGNER OEG
发明人
WAGNER, GEORG;HUBER, DANIEL
分类号
H04R1/10;H04M1/05;H04M1/60;(IPC1-7):H04M1/05
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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