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发明名称
Gehaeuse fuer Lautsprecher
摘要
申请公布号
DE561092(C)
申请公布日期
1932.10.10
申请号
DED561092D
申请日期
1930.04.10
申请人
CARL LUDWIG FORTNER
发明人
分类号
G10K11/02
主分类号
G10K11/02
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代理人
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