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发明名称
Improvements in systems for reading magnetic tapes
摘要
申请公布号
GB902164(A)
申请公布日期
1962.07.25
申请号
GB19590021956
申请日期
1959.06.26
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G11B20/10
主分类号
G11B20/10
代理机构
代理人
主权项
地址
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