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 Производственное Объединение "Союзхимпромэнерго"filedCriticalПроизводственное Объединение "Союзхимпромэнерго"
Priority to SU772494678ApriorityCriticalpatent/SU637905A2/en
Application grantedgrantedCritical
Publication of SU637905A2publicationCriticalpatent/SU637905A2/en