IT1163320B - Struttura di guarnizione per la separazione di zone in un foro di un pozzo
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Struttura di guarnizione per la separazione di zone in un foro di un pozzo
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Publication number
IT1163320B
IT1163320BIT8320983AIT2098383AIT1163320BIT 1163320 BIT1163320 BIT 1163320BIT 8320983 AIT8320983 AIT 8320983AIT 2098383 AIT2098383 AIT 2098383AIT 1163320 BIT1163320 BIT 1163320B
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Application filed by Magyar Szenhidrogenipari, Vnii Burovoi TechnicifiledCriticalMagyar Szenhidrogenipari
Priority to IT8320983ApriorityCriticalpatent/IT1163320B/it
Publication of IT8320983A0publicationCriticalpatent/IT8320983A0/it
Publication of IT8320983A1publicationCriticalpatent/IT8320983A1/it
Application grantedgrantedCritical
Publication of IT1163320BpublicationCriticalpatent/IT1163320B/it