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 Le Gi Proekt Metall ZfiledCriticalLe Gi Proekt Metall Z
Priority to SU762328332ApriorityCriticalpatent/SU675289A1/en
Application grantedgrantedCritical
Publication of SU675289A1publicationCriticalpatent/SU675289A1/en