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经营范围
发明名称
Improvements in and relating to Magnetic Storage Systems
摘要
申请公布号
GB1157401(A)
申请公布日期
1969.07.09
申请号
GB19660040357
申请日期
1966.09.09
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
G11C7/00;G11C7/02;G11C11/14
主分类号
G11C7/00
代理机构
代理人
主权项
地址
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