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发明名称
Elektroakustischer Wandler.
摘要
申请公布号
DE58907495(D1)
申请公布日期
1994.05.26
申请号
DE19895007495
申请日期
1989.08.07
申请人
SIEMENS AG, 80333 MUENCHEN
发明人
BOEHNKE, GERD, D-4250 BOTTROP;PIEPER, STEFAN, D-4358 HALTERN
分类号
H04R17/00;(IPC1-7):H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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