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Publication of SU399600A1publicationCriticalpatent/SU399600A1/ru
Priority claimed from SU1746758Aexternal-prioritypatent/SU399600A1/ru
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Priority to SU1746758ApriorityCriticalpatent/SU399600A1/ru
Application grantedgrantedCritical
Publication of SU399600A2publicationCriticalpatent/SU399600A2/ru