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 Западный Судоремонтный ЗаводfiledCriticalЗападный Судоремонтный Завод
Priority to SU741983138ApriorityCriticalpatent/SU677992A1/en
Application grantedgrantedCritical
Publication of SU677992A1publicationCriticalpatent/SU677992A1/en