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. Б. Скикдер, М. Я. Бочарк когfiledCriticalА. Б. Скикдер
Priority to SU1842640ApriorityCriticalpatent/SU421005A2/ru
Application grantedgrantedCritical
Publication of SU421005A1publicationCriticalpatent/SU421005A1/ru
Publication of SU421005A2publicationCriticalpatent/SU421005A2/ru