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Priority to SU1766857ApriorityCriticalpatent/SU417673A1/ru
Priority claimed from SU1766857Aexternal-prioritypatent/SU417673A1/ru
Application grantedgrantedCritical
Publication of SU417673A2publicationCriticalpatent/SU417673A2/ru
Publication of SU417673A1publicationCriticalpatent/SU417673A1/ru