Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ю. К. КрыловfiledCriticalЮ. К. Крылов
Priority to SU1654685ApriorityCriticalpatent/SU436126A1/ru
Priority claimed from SU1654685Aexternal-prioritypatent/SU436126A1/ru
Application grantedgrantedCritical
Publication of SU436126A2publicationCriticalpatent/SU436126A2/ru
Publication of SU436126A1publicationCriticalpatent/SU436126A1/ru