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发明名称
Methods of recording
摘要
申请公布号
GB1139640(A)
申请公布日期
1969.01.08
申请号
GB19660034896
申请日期
1966.08.04
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G11B5/00
主分类号
G11B5/00
代理机构
代理人
主权项
地址
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