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Application filed by Philips NvfiledCriticalPhilips Nv
Publication of CH273880ApublicationCriticalpatent/CH273880A/de
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
CH273880D1948-03-151949-03-14Kreuzstangenschalter für selbsttätige Fernsprechanlagen.
CH273880A
(de)