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Application filed by Johns ManvillefiledCriticalJohns Manville
Priority to IT5233578ApriorityCriticalpatent/IT1110880B/it
Publication of IT7852335A0publicationCriticalpatent/IT7852335A0/it
Application grantedgrantedCritical
Publication of IT1110880BpublicationCriticalpatent/IT1110880B/it