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Priority claimed from CA293,232Aexternal-prioritypatent/CA1094356A/en
Application filed by Drive Mfg IncfiledCriticalDrive Mfg Inc
Priority to IT50357/80ApriorityCriticalpatent/IT1127953B/en
Publication of IT8050357A0publicationCriticalpatent/IT8050357A0/en
Application grantedgrantedCritical
Publication of IT1127953BpublicationCriticalpatent/IT1127953B/en