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Priority to FR7402362ApriorityCriticalpatent/FR2259216A1/fr
Publication of FR2259216A1publicationCriticalpatent/FR2259216A1/fr
Application grantedgrantedCritical
Publication of FR2259216B1publicationCriticalpatent/FR2259216B1/fr
E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
E05B35/14—Locks for use with special keys or a plurality of keys ; keys therefor with keys of which different parts operate separate mechanisms
FR7402362A1974-01-241974-01-24Lock preventing unauthorised opening - has two part key to initiate primary and secondary unlocking modes
GrantedFR2259216A1
(en)