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发明名称
OPTISCHER SCHALTER FÜR KOPFHÖRER
摘要
申请公布号
DE69923765(D1)
申请公布日期
2005.03.24
申请号
DE19996023765
申请日期
1999.02.24
申请人
HELLO DIRECT INC., SAN JOSE
发明人
MAGNASCO, H.;MAXON, K.
分类号
H04M1/05;H04R1/10;(IPC1-7):H04M1/05
主分类号
H04M1/05
代理机构
代理人
主权项
地址
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