IT1142974B - Apparecchio di sicurezza contro fughe di gas
- Google Patents
Apparecchio di sicurezza contro fughe di gas
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Publication number
IT1142974B
IT1142974BIT49072/81AIT4907281AIT1142974BIT 1142974 BIT1142974 BIT 1142974BIT 49072/81 AIT49072/81 AIT 49072/81AIT 4907281 AIT4907281 AIT 4907281AIT 1142974 BIT1142974 BIT 1142974B
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Application filed by Pier Luigi SilvagnifiledCriticalPier Luigi Silvagni
Priority to IT49072/81ApriorityCriticalpatent/IT1142974B/it
Publication of IT8149072A0publicationCriticalpatent/IT8149072A0/it
Application grantedgrantedCritical
Publication of IT1142974BpublicationCriticalpatent/IT1142974B/it