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Priority claimed from GB868608445Aexternal-prioritypatent/GB8608445D0/en
Priority claimed from GB878702719Aexternal-prioritypatent/GB8702719D0/en
Application filed by Regent Lock Co LtdfiledCriticalRegent Lock Co Ltd
Priority claimed from EP19870302954external-prioritypatent/EP0241245B2/de
Application grantedgrantedCritical
Publication of ATE55169T1publicationCriticalpatent/ATE55169T1/de