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Application filed by Академия Коммунального Хозяйства Им.К.Д.ПамфиловаfiledCriticalАкадемия Коммунального Хозяйства Им.К.Д.Памфилова
Priority to SU1925609ApriorityCriticalpatent/SU436949A1/ru
Priority claimed from SU1925609Aexternal-prioritypatent/SU436949A1/ru
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Publication of SU436949A2publicationCriticalpatent/SU436949A2/ru
Publication of SU436949A1publicationCriticalpatent/SU436949A1/ru