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Publication of FR650106ApublicationCriticalpatent/FR650106A/fr
E05B13/00—Devices preventing the key or the handle or both from being used
E05B13/04—Devices preventing the key or the handle or both from being used shaped as fork-like implements grasping and fixing the key or a handle, e.g. a thumb-turn
FR650106D1927-08-081927-08-08Dispositif de blocage des clés dans les serrures en vue d'empêcher l'ouverture des portes
ExpiredFR650106A
(fr)