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发明名称
Verfahren zur magnetischen Tonaufzeichnung
摘要
申请公布号
DE820503(C)
申请公布日期
1951.11.12
申请号
DE1948P028543D
申请日期
1948.12.31
申请人
LICENTIA PATENT-VERWALTUNGS-GESELLSCHAFT M.B.H.
发明人
GOETZE RUDOLF DIPL.-ING.
分类号
G11B5/03
主分类号
G11B5/03
代理机构
代理人
主权项
地址
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