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发明名称
Magnetic information storage systems
摘要
申请公布号
GB788949(A)
申请公布日期
1958.01.08
申请号
GB19550010243
申请日期
1955.04.07
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G11B20/16
主分类号
G11B20/16
代理机构
代理人
主权项
地址
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