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 grantedgrantedCritical
Publication of SU1007A1publicationCriticalpatent/SU1007A1/ru
Publication of SU1006A1publicationCriticalpatent/SU1006A1/ru
Application filed by А.Э. ДеннемаркfiledCriticalА.Э. Деннемарк
Priority to SU76270ApriorityCriticalpatent/SU21128A1/ru
Publication of SU21128A1publicationCriticalpatent/SU21128A1/ru