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经营范围
发明名称
Ring check circuit
摘要
申请公布号
US2724104(A)
申请公布日期
1955.11.15
申请号
US19540460628
申请日期
1954.10.06
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
WILD HERBERT K.
分类号
G06F1/04;G06F9/32;G06F11/08;H03K23/82
主分类号
G06F1/04
代理机构
代理人
主权项
地址
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