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Priority claimed from PCT/US1987/000155external-prioritypatent/WO1987004976A1/en
Application filed by United States Gypsum CofiledCriticalUnited States Gypsum Co
Publication of NO874345D0publicationCriticalpatent/NO874345D0/en
Publication of NO874345LpublicationCriticalpatent/NO874345L/en