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发明名称
MIKROPHONANORDNUNG FUER FERNSPRECH-HANDAPPARAT.
摘要
申请公布号
DE3581833(D1)
申请公布日期
1991.04.04
申请号
DE19853581833
申请日期
1985.01.28
申请人
NORTHERN TELECOM LTD., MONTREAL, QUEBEC, CA
发明人
GUMB, BEVERLEY WILLIAM, LONDON, ONTARIO, N6K 2V2, CA;FREEMAN, RAYMOND CARL, LONDON, ONTARIO, N6J 3A4, CA;BUSCHE, ALAN CHARLES, DORCHESTER ONTARIO, N0L 1G0, CA
分类号
H04R1/08;H04M1/03;(IPC1-7):H04M1/03
主分类号
H04R1/08
代理机构
代理人
主权项
地址
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