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Application filed by Ukrainsskoe N Proizv Noe Ob Ts, Prom, Le T I Tsellyulozno Bumazhnoj, Krasnogorodsky ExfiledCriticalUkrainsskoe N Proizv Noe Ob Ts
Priority to IT21713/81ApriorityCriticalpatent/IT1218275B/it
Publication of IT8121713A0publicationCriticalpatent/IT8121713A0/it
Application grantedgrantedCritical
Publication of IT1218275BpublicationCriticalpatent/IT1218275B/it