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发明名称
Magnetic recording
摘要
申请公布号
GB1120679(A)
申请公布日期
1968.07.24
申请号
GB19670018363
申请日期
1967.04.21
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G06K1/12;G11B5/00;G11B5/008;G11B5/48
主分类号
G06K1/12
代理机构
代理人
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