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Publication of FR940816ApublicationCriticalpatent/FR940816A/en
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
H01H19/54—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 the operating part having at least five or an unspecified number of operative positions
H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
FR940816D1947-02-111947-02-11
Improvements to switches used in electricity and more particularly in radio
ExpiredFR940816A
(en)