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Electric selection controlling circuit

申请公布号:US2354668(A)

申请号:US19430485830

申请日期:1943.05.06

申请公布日期:1944.08.01

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

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