发明名称 Keying device for electrical apparatuses, in particular for circuit-breakers and differential switches
摘要 <p>Differential blocks of different types have pillars and holes with different spacings, so that the different types cannot be mechanically connected.</p>
申请公布号 EP0926792(A1) 申请公布日期 1999.06.30
申请号 EP19980410141 申请日期 1998.12.09
申请人 SCHNEIDER ELECTRIC SA 发明人 LEBEAU, BERNARD;GUILLON, PATRICK;BURNOT, CLAUDE;HANNEQUIN, PASCAL;DORNIER, JEAN
分类号 H01H71/02;H01H83/22;H02B1/04;H02B1/26;(IPC1-7):H02B1/26;H01H71/08 主分类号 H01H71/02
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