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Application filed by Elektro Thermit GmbhfiledCriticalElektro Thermit Gmbh
Priority to IT47695/78ApriorityCriticalpatent/IT1102251B/en
Publication of IT7847695A0publicationCriticalpatent/IT7847695A0/en
Application grantedgrantedCritical
Publication of IT1102251BpublicationCriticalpatent/IT1102251B/en