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Application filed by Makeevsky Inzhenerno Stroitelny InstfiledCriticalMakeevsky Inzhenerno Stroitelny Inst
Priority to IT21280/84ApriorityCriticalpatent/IT1176276B/it
Publication of IT8421280A0publicationCriticalpatent/IT8421280A0/it
Publication of IT8421280A1publicationCriticalpatent/IT8421280A1/it
Application grantedgrantedCritical
Publication of IT1176276BpublicationCriticalpatent/IT1176276B/it