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Publication of FR1046643ApublicationCriticalpatent/FR1046643A/en
H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
H01H9/185—Fluorescent or phosphorescent symbols or distinguishing marks
FR1046643D1951-07-031951-07-03
New contact button for switches, timers and can be used as a control button for any electrical device
ExpiredFR1046643A
(en)