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 С.С. ПейсаховичfiledCriticalС.С. Пейсахович
Priority to SU175752ApriorityCriticalpatent/SU47079A1/ru
Application grantedgrantedCritical
Publication of SU47079A1publicationCriticalpatent/SU47079A1/ru