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发明名称
UNIDIRECTIONAL EAR MICROPHONE AND METHOD.
摘要
申请公布号
EP0640262(A1)
申请公布日期
1995.03.01
申请号
EP19920920273
申请日期
1992.09.23
申请人
JABRA CORPORATION
发明人
NORRIS, ELWOOD, G.
分类号
H04R1/10;H04M1/00;H04M1/05;H04M1/19;H04R1/00;H04R1/38;H04R1/46;H04R25/02;(IPC1-7):H04M1/00;H04R25/00
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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