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Priority claimed from US06/476,454external-prioritypatent/US4507076A/en
Application filed by Babington Robert SfiledCriticalBabington Robert S
Publication of NO844578LpublicationCriticalpatent/NO844578L/en
Priority to NO87874282ApriorityCriticalpatent/NO161943C/en
Publication of NO158829BpublicationCriticalpatent/NO158829B/en
Publication of NO158829CpublicationCriticalpatent/NO158829C/en