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Application filed by Vni I Kt I Trubnoi PromyfiledCriticalVni I Kt I Trubnoi Promy
Priority to AT826370ApriorityCriticalpatent/AT318526B/de
Priority to DE19702046246prioritypatent/DE2046246A1/de
Application grantedgrantedCritical
Publication of AT318526BpublicationCriticalpatent/AT318526B/de