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 А.Ф. Гарнич, Г.А. ЛандауfiledCriticalА.Ф. Гарнич
Priority to SU2206ApriorityCriticalpatent/SU73710A1/ru
Application grantedgrantedCritical
Publication of SU73710A1publicationCriticalpatent/SU73710A1/ru