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El Re Ma S A
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El Re Ma S A
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Publication of FR1034155ApublicationCriticalpatent/FR1034155A/fr
H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
FR1034155D1950-03-201951-03-19Procédé d'actionnement de contacts et appareil de commutation magnétique multiplepour la mise en oeuvre de ce procédé
ExpiredFR1034155A
(fr)