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发明名称
MAGNETIC SWITCHING DEVICE
摘要
申请公布号
CA678878(A)
申请公布日期
1964.01.28
申请号
CAD678878
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
GREGORY CONSTANTINE, JR.
分类号
主分类号
代理机构
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