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发明名称
KORONA-LAUTSPRECHER.
摘要
申请公布号
AT8311(T)
申请公布日期
1984.07.15
申请号
AT19800101847T
申请日期
1980.04.08
申请人
KLEIN, SIEGFRIED, DR.
发明人
KLEIN, SIEGFRIED, DR.
分类号
H04R23/00;H05K9/00;(IPC1-7):H01F31/00
主分类号
H04R23/00
代理机构
代理人
主权项
地址
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