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发明名称
Système d'enregistrement magnétique
摘要
申请公布号
FR1235609(A)
申请公布日期
1960.07.08
申请号
FR19590798288
申请日期
1959.06.23
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G11B20/12;G11B20/20
主分类号
G11B20/12
代理机构
代理人
主权项
地址
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