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Priority claimed from US06/193,514external-prioritypatent/US4347040A/en
Application filed by United Technologies CorpfiledCriticalUnited Technologies Corp
Publication of NO821757LpublicationCriticalpatent/NO821757L/en
Publication of NO155590BpublicationCriticalpatent/NO155590B/en
Publication of NO155590CpublicationCriticalpatent/NO155590C/en