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发明名称
ELECTRONIC COMPUTING CIRCUITS
摘要
申请公布号
CA540942(A)
申请公布日期
1957.05.14
申请号
CAD540942
申请日期
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
GEOFFREY C. TOOTILL
分类号
主分类号
代理机构
代理人
主权项
地址
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