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发明名称
Procédé et dispositif d'enregistrement magnétique de données numériques à densité élevée
摘要
申请公布号
FR1340341(A)
申请公布日期
1963.10.18
申请号
FR19620908987
申请日期
1962.09.10
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G11B20/14
主分类号
G11B20/14
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代理人
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地址
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