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 Одесский Инженерно-Строительный ИнститутfiledCriticalОдесский Инженерно-Строительный Институт
Priority to SU762408750ApriorityCriticalpatent/SU626174A1/en
Application grantedgrantedCritical
Publication of SU626174A1publicationCriticalpatent/SU626174A1/en