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发明名称
Vorrichtung zum Aufzeichnen von Toenen in Sprossenschrift
摘要
申请公布号
DE729991(C)
申请公布日期
1943.01.06
申请号
DE1939K155224D
申请日期
1939.07.30
申请人
KLANGFILM G.M.B.H.
发明人
SCHWARZ DIPL.-ING. KARL
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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