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发明名称
Test apparatus for determining the opening and closing characteristics of electromagnetic switching devices utilizing logic circuitry
摘要
申请公布号
US3253214(A)
申请公布日期
1966.05.24
申请号
US19610162829
申请日期
1961.12.28
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
HEILWEIL MELVIN F.;SOYCHAK FRANCIS J.
分类号
H04Q1/20
主分类号
H04Q1/20
代理机构
代理人
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地址
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