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发明名称
Schallträger für Maschinen zur elektromagnetischen Aufzeichnung akustischer Zeichen, bezw. deren Wiedergabe und Verfahren zur Herstellung desselben.
摘要
申请公布号
CH141600(A)
申请公布日期
1930.08.15
申请号
CHD141600
申请日期
1929.08.17
申请人
TELEGRAPHIE-PATENT-SYNDIKAT G. M. B. H.
发明人
H. TELEGRAPHIE-PATENT-SYNDIKAT G. M. B.
分类号
G11B5/74
主分类号
G11B5/74
代理机构
代理人
主权项
地址
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