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经营范围
发明名称
Magnetic core converter and storage unit
摘要
申请公布号
GB746724(A)
申请公布日期
1956.03.21
申请号
GB19540015366
申请日期
1954.05.25
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
分类号
H03M7/12
主分类号
H03M7/12
代理机构
代理人
主权项
地址
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