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发明名称
Schaltungsanordnung für die Schallwiedergabe von verzerrten Schallaufzeichnungen.
摘要
申请公布号
AT115759(B)
申请公布日期
1930.01.10
申请号
ATD115759
申请日期
1928.11.19
申请人
ARNOLD POULSEN;AXEL CARL GEORG PETERSEN
发明人
ARNOLD POULSEN;AXEL CARL GEORG PETERSEN
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主分类号
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