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Priority claimed from US00388085Aexternal-prioritypatent/US3832857A/en
Publication of NO771663LpublicationCriticalpatent/NO771663L/no
Application filed by Shields C Nelson JrfiledCriticalShields C Nelson Jr
Priority to NO771663ApriorityCriticalpatent/NO147680C/en
Publication of NO147680BpublicationCriticalpatent/NO147680B/en
Publication of NO147680CpublicationCriticalpatent/NO147680C/en