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
Publication of SU56001A1publicationCriticalpatent/SU56001A1/ru
Application filed by В.Н. Айзенберг, Л.Н. Айзенберг, М.И. СахаровfiledCriticalВ.Н. Айзенберг
Priority to SU509ApriorityCriticalpatent/SU65350A1/ru
Application grantedgrantedCritical
Publication of SU65350A1publicationCriticalpatent/SU65350A1/ru