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发明名称
MAGNETIC CORE MATRIX SWITCH
摘要
申请公布号
CA708309(A)
申请公布日期
1965.04.20
申请号
CAD708309
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
ROBERT TIENWEN CHIEN
分类号
主分类号
代理机构
代理人
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