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发明名称
Magnetkopf zur Herstellung von Magnettonaufzeichnungen
摘要
申请公布号
DE872657(C)
申请公布日期
1953.04.02
申请号
DE1951B016583
申请日期
1951.09.04
申请人
BIRKHOFER HERMANN
发明人
BIRKHOFER HERMANN
分类号
G11B5/03;G11B5/127;G11B5/265
主分类号
G11B5/03
代理机构
代理人
主权项
地址
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