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Publication of FR827053ApublicationCriticalpatent/FR827053A/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
FR827053D1936-10-301937-09-23Dispositif perfectionné de sécurité pour serrures et verrous
ExpiredFR827053A
(fr)