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 Ц.С. Брауде, А.И. ШашковfiledCriticalЦ.С. Брауде
Priority to SU392696ApriorityCriticalpatent/SU79845A1/en
Application grantedgrantedCritical
Publication of SU79845A1publicationCriticalpatent/SU79845A1/en