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Priority claimed from US07/642,436external-prioritypatent/US5155689A/en
Publication of NO963257LpublicationCriticalpatent/NO963257L/en
Application filed by Highwaymaster Comm IncfiledCriticalHighwaymaster Comm Inc
Publication of NO963257D0publicationCriticalpatent/NO963257D0/en
Publication of NO303896B1publicationCriticalpatent/NO303896B1/en