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Priority claimed from US07/228,993external-prioritypatent/US4867485A/en
Priority claimed from US07/386,197external-prioritypatent/US4923223A/en
Application filed by Plastic Specialties & TechfiledCriticalPlastic Specialties & Tech
Publication of NO910427D0publicationCriticalpatent/NO910427D0/no
Publication of NO910427LpublicationCriticalpatent/NO910427L/no