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发明名称
HOERHILFEGERAET
摘要
申请公布号
DE7907666(U1)
申请公布日期
1980.08.28
申请号
DE19790007666U
申请日期
1979.03.19
申请人
SIEMENS AG, 1000 BERLIN UND 8000 MUENCHEN
发明人
分类号
H04R25/02;(IPC1-7):H04R25/02
主分类号
H04R25/02
代理机构
代理人
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地址
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