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.А. ПавловаfiledCriticalС.А. Павлова
Priority to SU4204ApriorityCriticalpatent/SU65334A1/ru
Application grantedgrantedCritical
Publication of SU65334A1publicationCriticalpatent/SU65334A1/ru