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经营范围
发明名称
Magnetic Tape Recorders
摘要
申请公布号
GB1181056(A)
申请公布日期
1970.02.11
申请号
GB19680054984
申请日期
1968.11.20
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G11B15/18;G11C13/04;H04N5/782
主分类号
G11B15/18
代理机构
代理人
主权项
地址
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