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发明名称
Anordnung zur Steuerung der Magnetflussdichte in einem ferromagnetischen Koerper und Verfahren zur Herstellung einer derartigen Anordnung
摘要
申请公布号
DE1489024(A1)
申请公布日期
1969.04.30
申请号
DE19641489024
申请日期
1964.09.03
申请人
INTERNATIONAL BUSINESS MACHINES CORP.
发明人
IMENUEL METHFESSEL,SIEGFRIED;HOLTZBERG,FREDERIC
分类号
C01B19/00;C01G1/12;H01F1/40
主分类号
C01B19/00
代理机构
代理人
主权项
地址
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