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发明名称
摘要
申请公布号
DE8711333(U1)
申请公布日期
1988.07.21
申请号
DE19870011333U
申请日期
1987.08.20
申请人
SIEMENS AG, 1000 BERLIN UND 8000 MUENCHEN, DE
发明人
分类号
G02C11/06;H04R25/02;(IPC1-7):H04R25/00
主分类号
G02C11/06
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代理人
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