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 И.Л. Шлягман, гман И.Л. ШлfiledCriticalИ.Л. Шлягман
Priority to SU117241ApriorityCriticalpatent/SU31077A1/ru
Application grantedgrantedCritical
Publication of SU31077A1publicationCriticalpatent/SU31077A1/ru