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Application filed by Каунасский Политехнический ИнститутfiledCriticalКаунасский Политехнический Институт
Priority to SU1862490ApriorityCriticalpatent/SU443256A1/ru
Priority claimed from SU1862490Aexternal-prioritypatent/SU443256A1/ru
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Publication of SU443256A2publicationCriticalpatent/SU443256A2/ru
Publication of SU443256A1publicationCriticalpatent/SU443256A1/ru