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Application filed by Sprea S P A Soc Produzione Resine Ed AffinifiledCriticalSprea S P A Soc Produzione Resine Ed Affini
Priority to IT19425/84ApriorityCriticalpatent/IT1173204B/it
Publication of IT8419425A0publicationCriticalpatent/IT8419425A0/it
Publication of IT8419425A1publicationCriticalpatent/IT8419425A1/it
Application grantedgrantedCritical
Publication of IT1173204BpublicationCriticalpatent/IT1173204B/it