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Priority to SU1613701ApriorityCriticalpatent/SU416184A1/ru
Priority claimed from SU1613701Aexternal-prioritypatent/SU416184A1/ru
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Publication of SU416184A2publicationCriticalpatent/SU416184A2/ru
Publication of SU416184A1publicationCriticalpatent/SU416184A1/ru