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 Я.С. Иоффе, С.Б. ШапироfiledCriticalЯ.С. Иоффе
Priority to SU5275ApriorityCriticalpatent/SU68314A1/ru
Application grantedgrantedCritical
Publication of SU68314A1publicationCriticalpatent/SU68314A1/ru