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Priority claimed from SU2534681/08Aexternal-prioritypatent/SU1123175A2/en
Priority claimed from SU772539108Aexternal-prioritypatent/SU755444A1/en
Priority claimed from SU2541550/08Aexternal-prioritypatent/RU1123176C/en
Application filed by Fiz Tech I Akad NaukfiledCriticalFiz Tech I Akad Nauk
Publication of IT7841654A0publicationCriticalpatent/IT7841654A0/en