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发明名称
Electric selection controlling circuit
摘要
申请公布号
US2354667(A)
申请公布日期
1944.08.01
申请号
US19430485828
申请日期
1943.05.06
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
DEAKIN GERALD;HERBIG HENRY F.
分类号
H04Q1/18
主分类号
H04Q1/18
代理机构
代理人
主权项
地址
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