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经营范围
发明名称
Halbleitermikrophon
摘要
申请公布号
DE2002778(A1)
申请公布日期
1970.07.30
申请号
DE19702002778
申请日期
1970.01.19
申请人
TELEFONAKTIEBOLAGET LM ERICSSON
发明人
LAMBERT OEVERBY,DIPL.-ING. SUNE
分类号
H04R23/00;(IPC1-7):H04R21/02
主分类号
H04R23/00
代理机构
代理人
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地址
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