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Application filed by Busch Jaeger Duerener MetallfiledCriticalBusch Jaeger Duerener Metall
Publication of CH324056ApublicationCriticalpatent/CH324056A/de
H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand