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 М.С. Немцов, К.У. НерушfiledCriticalМ.С. Немцов
Priority to SU378874ApriorityCriticalpatent/SU76945A1/en
Application grantedgrantedCritical
Publication of SU76945A1publicationCriticalpatent/SU76945A1/en